Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/28 and 75/72

1st number: 18/28, 2nd number: 1 3/72

18/28 + 75/72 is 283/168.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    18/28 = 18 × 18/28 × 18 = 324/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    75/72 = 75 × 7/72 × 7 = 525/504
  4. Add the two like fractions:
    324/504 + 525/504 = 324 + 525/504 = 849/504
  5. 849/504 simplified gives 283/168
  6. So, 18/28 + 75/72 = 283/168
    In mixed form: 1115/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com