Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/20 from 72/49

1st number: 1 23/49, 2nd number: 3/20

72/49 - 3/20 is 1293/980.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 49 × 20 = 980,
    72/49 = 72 × 20/49 × 20 = 1440/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    3/20 = 3 × 49/20 × 49 = 147/980
  4. Subtract the two like fractions:
    1440/980 - 147/980 = 1440 - 147/980 = 1293/980
  5. In mixed form: 1313/980

MathStep (Works offline)

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

Related:

© everydaycalculation.com