Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 4/8 from 20/7

1st number: 2 6/7, 2nd number: 4/8

20/7 - 4/8 is 33/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56
  2. For the 1st fraction, since 7 × 8 = 56,
    20/7 = 20 × 8/7 × 8 = 160/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    4/8 = 4 × 7/8 × 7 = 28/56
  4. Subtract the two fractions:
    160/56 - 28/56 = 160 - 28/56 = 132/56
  5. After reducing the fraction, the answer is 33/14
  6. In mixed form: 25/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com