Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/90 and 50/56

72/90 + 50/56 is 237/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 56 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 90 × 28 = 2520,
    72/90 = 72 × 28/90 × 28 = 2016/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    50/56 = 50 × 45/56 × 45 = 2250/2520
  4. Add the two like fractions:
    2016/2520 + 2250/2520 = 2016 + 2250/2520 = 4266/2520
  5. 4266/2520 simplified gives 237/140
  6. So, 72/90 + 50/56 = 237/140
    In mixed form: 197/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com