Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 56/42 from 10/15

1st number: 10/15, 2nd number: 1 14/42

10/15 - 56/42 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    10/15 = 10 × 14/15 × 14 = 140/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    56/42 = 56 × 5/42 × 5 = 280/210
  4. Subtract the two like fractions:
    140/210 - 280/210 = 140 - 280/210 = -140/210
  5. After reducing the fraction, the answer is -2/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com