Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/4 and 72/7

1st number: 7 2/4, 2nd number: 10 2/7

30/4 + 72/7 is 249/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    30/4 = 30 × 7/4 × 7 = 210/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    72/7 = 72 × 4/7 × 4 = 288/28
  4. Add the two like fractions:
    210/28 + 288/28 = 210 + 288/28 = 498/28
  5. 498/28 simplified gives 249/14
  6. So, 30/4 + 72/7 = 249/14
    In mixed form: 1711/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com