Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/56 and 90/72

1st number: 1 19/56, 2nd number: 1 18/72

75/56 + 90/72 is 145/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    75/56 = 75 × 9/56 × 9 = 675/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    90/72 = 90 × 7/72 × 7 = 630/504
  4. Add the two like fractions:
    675/504 + 630/504 = 675 + 630/504 = 1305/504
  5. 1305/504 simplified gives 145/56
  6. So, 75/56 + 90/72 = 145/56
    In mixed form: 233/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com