Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/42 and 40/49

1st number: 1 30/42, 2nd number: 40/49

72/42 + 40/49 is 124/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 49 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 42 × 7 = 294,
    72/42 = 72 × 7/42 × 7 = 504/294
  3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
    40/49 = 40 × 6/49 × 6 = 240/294
  4. Add the two like fractions:
    504/294 + 240/294 = 504 + 240/294 = 744/294
  5. 744/294 simplified gives 124/49
  6. So, 72/42 + 40/49 = 124/49
    In mixed form: 226/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com