Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 24/30 from 20/7

1st number: 2 6/7, 2nd number: 24/30

20/7 - 24/30 is 72/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    20/7 = 20 × 30/7 × 30 = 600/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    24/30 = 24 × 7/30 × 7 = 168/210
  4. Subtract the two like fractions:
    600/210 - 168/210 = 600 - 168/210 = 432/210
  5. After reducing the fraction, the answer is 72/35
  6. In mixed form: 22/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com