Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/35 from 48/20

1st number: 2 8/20, 2nd number: 21/35

48/20 - 21/35 is 9/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    48/20 = 48 × 7/20 × 7 = 336/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    21/35 = 21 × 4/35 × 4 = 84/140
  4. Subtract the two like fractions:
    336/140 - 84/140 = 336 - 84/140 = 252/140
  5. After reducing the fraction, the answer is 9/5
  6. In mixed form: 14/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com