Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/14 and 18/72

1st number: 6 6/14, 2nd number: 18/72

90/14 + 18/72 is 187/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    90/14 = 90 × 36/14 × 36 = 3240/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  4. Add the two like fractions:
    3240/504 + 126/504 = 3240 + 126/504 = 3366/504
  5. 3366/504 simplified gives 187/28
  6. So, 90/14 + 18/72 = 187/28
    In mixed form: 619/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com