Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/7 and 9/72

1st number: 1 3/7, 2nd number: 9/72

10/7 + 9/72 is 87/56.

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,
    10/7 = 10 × 72/7 × 72 = 720/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    9/72 = 9 × 7/72 × 7 = 63/504
  4. Add the two like fractions:
    720/504 + 63/504 = 720 + 63/504 = 783/504
  5. 783/504 simplified gives 87/56
  6. So, 10/7 + 9/72 = 87/56
    In mixed form: 131/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com