Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/72 and 28/70

2/72 + 28/70 is 77/180.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 72 × 35 = 2520,
    2/72 = 2 × 35/72 × 35 = 70/2520
  3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
    28/70 = 28 × 36/70 × 36 = 1008/2520
  4. Add the two like fractions:
    70/2520 + 1008/2520 = 70 + 1008/2520 = 1078/2520
  5. 1078/2520 simplified gives 77/180
  6. So, 2/72 + 28/70 = 77/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com