Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/7 and 12/72

1st number: 3 4/7, 2nd number: 12/72

25/7 + 12/72 is 157/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    25/7 = 25 × 72/7 × 72 = 1800/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    12/72 = 12 × 7/72 × 7 = 84/504
  4. Add the two like fractions:
    1800/504 + 84/504 = 1800 + 84/504 = 1884/504
  5. 1884/504 simplified gives 157/42
  6. So, 25/7 + 12/72 = 157/42
    In mixed form: 331/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com