Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 56/90 and 35/42

56/90 + 35/42 is 131/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    56/90 = 56 × 7/90 × 7 = 392/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    35/42 = 35 × 15/42 × 15 = 525/630
  4. Add the two like fractions:
    392/630 + 525/630 = 392 + 525/630 = 917/630
  5. 917/630 simplified gives 131/90
  6. So, 56/90 + 35/42 = 131/90
    In mixed form: 141/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com