Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/70 and 28/72

5/70 + 28/72 is 29/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 72 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    5/70 = 5 × 36/70 × 36 = 180/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    28/72 = 28 × 35/72 × 35 = 980/2520
  4. Add the two like fractions:
    180/2520 + 980/2520 = 180 + 980/2520 = 1160/2520
  5. 1160/2520 simplified gives 29/63
  6. So, 5/70 + 28/72 = 29/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com