Best Answer

The fastest and surest way to do that is to have a calculator that has a fraction button.

(a b/c)

Q: How do you add and subtract fractions with unlike denominators without finding a common denominator?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

by finding the common denominator of the fractions

Convert unlike fractions to equivalent fractions with common denominators by finding the LCM of the denominators.

By finding the lowest common denominator of the fractions.

By finding their lowest common denominator and then alter the numerator and denominator of the given fractions accordingly

Finding a common denominator makes it possible to add two fractions because it allows us to write each fraction as a multiple of a common (usually smaller) fraction. Subtracting fractions works the same way; find a common denominator so that the fractions involved are in the same terms.

Related questions

by finding the common denominator of the fractions

To add and subtract fractions, you need common denominators. To find the common denominator, find the LCM of the denominators you wish to add or subtract.

By finding their lowest common denominator by means of their lowest common multiple

Finding the prime factorizations of the denominators will help you find the least common denominator. Converting to equivalent fractions with like denominators will allow you to subtract them successfully.

Convert unlike fractions to equivalent fractions with common denominators by finding the LCM of the denominators.

By finding the lowest common denominator of the fractions.

Finding the GCF of the numerator and the denominator of a fraction and dividing them both by it will give you the simplest form of that fraction. Finding the LCM of unlike denominators and converting them to it will make it possible to add and subtract unlike fractions.

The first step in finding the lowest common denominator of two fractions is to multiply the two denominators. Then you see if there are any smaller numbers that are divisible by both denominators.

By finding their lowest common denominator and then alter the numerator and denominator of the given fractions accordingly

Finding a common denominator makes it possible to add two fractions because it allows us to write each fraction as a multiple of a common (usually smaller) fraction. Subtracting fractions works the same way; find a common denominator so that the fractions involved are in the same terms.

first you have to find the common denominator and make the 2 fractions denominators the same then you add them and divide them

When adding or subtracting fractions with different denominators finding the prime product of each denominator helps in finding the lowest common denominator of the given fractions by their lowest common multiple.