Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/72 and 30/28

1st number: 18/72, 2nd number: 1 2/28

18/72 + 30/28 is 37/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 28 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
    30/28 = 30 × 18/28 × 18 = 540/504
  4. Add the two like fractions:
    126/504 + 540/504 = 126 + 540/504 = 666/504
  5. 666/504 simplified gives 37/28
  6. So, 18/72 + 30/28 = 37/28
    In mixed form: 19/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com