Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 24/72 and 90/42

1st number: 24/72, 2nd number: 2 6/42

24/72 + 90/42 is 52/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    24/72 = 24 × 7/72 × 7 = 168/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    90/42 = 90 × 12/42 × 12 = 1080/504
  4. Add the two like fractions:
    168/504 + 1080/504 = 168 + 1080/504 = 1248/504
  5. 1248/504 simplified gives 52/21
  6. So, 24/72 + 90/42 = 52/21
    In mixed form: 210/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com