Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/72 and 42/49

3/72 + 42/49 is 151/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 49 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 72 × 49 = 3528,
    3/72 = 3 × 49/72 × 49 = 147/3528
  3. Likewise, for the 2nd fraction, since 49 × 72 = 3528,
    42/49 = 42 × 72/49 × 72 = 3024/3528
  4. Add the two like fractions:
    147/3528 + 3024/3528 = 147 + 3024/3528 = 3171/3528
  5. 3171/3528 simplified gives 151/168
  6. So, 3/72 + 42/49 = 151/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com