Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/7 and 63/30

1st number: 10 2/7, 2nd number: 2 3/30

72/7 + 63/30 is 867/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    72/7 = 72 × 30/7 × 30 = 2160/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    63/30 = 63 × 7/30 × 7 = 441/210
  4. Add the two like fractions:
    2160/210 + 441/210 = 2160 + 441/210 = 2601/210
  5. 2601/210 simplified gives 867/70
  6. So, 72/7 + 63/30 = 867/70
    In mixed form: 1227/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com