Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/12 from 70/8

1st number: 8 6/8, 2nd number: 1 9/12

70/8 - 21/12 is 7/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 12 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 8 × 3 = 24,
    70/8 = 70 × 3/8 × 3 = 210/24
  3. Likewise, for the 2nd fraction, since 12 × 2 = 24,
    21/12 = 21 × 2/12 × 2 = 42/24
  4. Subtract the two like fractions:
    210/24 - 42/24 = 210 - 42/24 = 168/24
  5. After reducing the fraction, the answer is 7/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com