Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 42/72 and 50/42

1st number: 42/72, 2nd number: 1 8/42

42/72 + 50/42 is 149/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504
  2. For the 1st fraction, since 72 × 7 = 504,
    42/72 = 42 × 7/72 × 7 = 294/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    50/42 = 50 × 12/42 × 12 = 600/504
  4. Add the two fractions:
    294/504 + 600/504 = 294 + 600/504 = 894/504
  5. After reducing the fraction, the answer is 149/84
  6. In mixed form: 165/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com