Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 18/7 from 18/8

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

18/8 - 18/7 is -9/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 56
  2. For the 1st fraction, since 8 × 7 = 56,
    18/8 = 18 × 7/8 × 7 = 126/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    18/7 = 18 × 8/7 × 8 = 144/56
  4. Subtract the two fractions:
    126/56 - 144/56 = 126 - 144/56 = -18/56
  5. After reducing the fraction, the answer is -9/28

Related:

Use fraction calculator with our all-in-one calculator app: Download for Android, Download for iOS

© everydaycalculation.com