Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/7 and 5/72

1st number: 2 1/7, 2nd number: 5/72

15/7 + 5/72 is 1115/504.

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,
    15/7 = 15 × 72/7 × 72 = 1080/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    5/72 = 5 × 7/72 × 7 = 35/504
  4. Add the two like fractions:
    1080/504 + 35/504 = 1080 + 35/504 = 1115/504
  5. So, 15/7 + 5/72 = 1115/504
    In mixed form: 2107/504

MathStep (Works offline)

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

Related:

© everydaycalculation.com