Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/64 from 21/15

1st number: 1 6/15, 2nd number: 49/64

21/15 - 49/64 is 203/320.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 64 is 960

    Next, find the equivalent fraction of both fractional numbers with denominator 960
  2. For the 1st fraction, since 15 × 64 = 960,
    21/15 = 21 × 64/15 × 64 = 1344/960
  3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
    49/64 = 49 × 15/64 × 15 = 735/960
  4. Subtract the two like fractions:
    1344/960 - 735/960 = 1344 - 735/960 = 609/960
  5. After reducing the fraction, the answer is 203/320

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com