Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/21 and 42/72

1st number: 2 6/21, 2nd number: 42/72

48/21 + 42/72 is 241/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 21 × 24 = 504,
    48/21 = 48 × 24/21 × 24 = 1152/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    42/72 = 42 × 7/72 × 7 = 294/504
  4. Add the two like fractions:
    1152/504 + 294/504 = 1152 + 294/504 = 1446/504
  5. 1446/504 simplified gives 241/84
  6. So, 48/21 + 42/72 = 241/84
    In mixed form: 273/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com