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Subtracting fractions are similar to subtracting regular numbers. What my teacher has taught me was to change the subtraction sign to an addition sign and make the second fraction negative. For example, if I had 4/3 - 3/4, I would change the subtraction sign to a + sign, thus making it 4/3 + -3/4, making it equal 1/4 (it's easier to remember it this way: Same Change Change). Hope this helped!
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How do you subtract fractions with same denominators?
you subtract the numerators, and leeave the denomonators alone
When you add or subtract fractions with the same denominators what happens to the denominator in your answer?
It stays the same. Only the numerators change.
What do you do when comparing fractions and the denominator and the numerator are different?
Convert them into equivalent fractions with the same denominator and then compare the numerators.
What you need to add or subtract fractions?
To add/subtract fractions you need to bring both to a common denominator, then add/subtract the numerators(top) . e.g. 3 2/3 - 2 1/5 Convert to improper fractions. 11/3 - 11/5 Brinf to a common denomiator [11(5) - 11(3)] / (3 x 5) [55 - 33] / 15 [22] / 15 = 1 7/15 For addition , it is the same process , but add the numerators ( 55+ 33 = 88]
Can you explain adding and subtracting fractions with like denominators?
When you add or subtract fractions with like denominators, you just add or subtract the numerators and put them over the same denominator. For example, 3/5 - 2/5 = (3 - 2)/5 = 1/5
