Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 48/21 from 72/3

1st number: 24 0/3, 2nd number: 2 6/21

72/3 - 48/21 is 152/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    72/3 = 72 × 7/3 × 7 = 504/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    48/21 = 48 × 1/21 × 1 = 48/21
  4. Subtract the two like fractions:
    504/21 - 48/21 = 504 - 48/21 = 456/21
  5. After reducing the fraction, the answer is 152/7
  6. In mixed form: 215/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com