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When you multiply fractions why do you multiply the fractions strait across?
Wiki User
∙ 14y ago
This has the effect of producing a denominator in the answer that has each of the original denominators as factors. You don't have to worry about simplifying the fractions before multiplying. Of course, you may have to simplify after multiplying. There's no way out.
Wiki User
∙ 14y ago
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How do you multiply 2 fractions?
Just straight across. 3/4 * 5/6 = 15/24 which reduces to, 5/8
How you multiply fractions?
To multiply fractions, multiply the numerators by the numerators, and the denominators by the denominators, and then (if possible) simplify the resulting fraction. For example, 2/3 x 4/5 = 8/15
When do you cross multiply to solve an equation?
When doing fractions, you may cross multiply.
How do you find missing fractions?
U can multiply
How do you multiply fractions with uncommon denominators?
To multiply fractions all you do is multiply the numerators and the denominators separately eg: 4/7 x 6/11 = 24/77. The "commonality" of denominators has no relevance.
What is the difference between cross and across?
When you add or subtract fractions you cross multiply and when you multiply or divide fractions you across multiply.
How can one multiply fractions without a calculator?
You multiply the numerators across and put that as the numerator of your answer, then multiply the denominators of the fractions across the put that as the denominator of your answer. It is very easy.
what are the steps to multiply fractions?
you multiply the top numbers straight across, then you multiply the bottom numbers straight across
How do you multiply like denominators fractions?
You multiply straight across. Let's take one half and two halves for example. Multiply across, and you get three quarters.
What is the answer when you multiply fractions?
If you have x/y multiplied by a/b then you get xa/yb. You just multiply across the top and bottom.
How do you multiply fractions without even fractions?
Just straight across. 1/3 * 1/13 = 1/39 =======and with any multiplication of fractions
How do you multiply frations in math problems?
When you multiply fractions just line them up (denominator and denominator, numerator and numerator) then multiply across. Simplify.
Do you have to find the common denominator when you are multiplying fractions?
no. you can multiply straight across in fraction multiplication
How do you divide fractionns?
To divide fractions, turn the second fraction upside down and multiply across.
How do you multiply two fractions with different denominator?
Well you don't you just multiply right across lets say the problem was 1/4 * 1/2 it would 1/8.So you multiply across.
Do you need common denomonators when mutiplying fractions?
No, you do not need to find a common denominator when multiplying fractions. To multiply fractions, you simply multiply the numerators together and the denominators together. However, finding a common denominator can be helpful when simplifying the resulting fraction.
How do you divide mixed fractions by mixed fractions?
make each fraction a improper fraction the flip the second fraction and multiply straight across then simplify
