Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 18/7 from 18/56

1st number: 18/56, 2nd number: 2 4/7

18/56 - 18/7 is -9/4.

Steps for subtracting fractions

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

MathStep (Works offline)

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

Related:

© everydaycalculation.com