Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/14 and 15/72

1st number: 3 0/14, 2nd number: 15/72

42/14 + 15/72 is 77/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    42/14 = 42 × 36/14 × 36 = 1512/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    15/72 = 15 × 7/72 × 7 = 105/504
  4. Add the two like fractions:
    1512/504 + 105/504 = 1512 + 105/504 = 1617/504
  5. 1617/504 simplified gives 77/24
  6. So, 42/14 + 15/72 = 77/24
    In mixed form: 35/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com