Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/56 and 42/70

30/56 + 42/70 is 159/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280
  2. For the 1st fraction, since 56 × 5 = 280,
    30/56 = 30 × 5/56 × 5 = 150/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    42/70 = 42 × 4/70 × 4 = 168/280
  4. Add the two fractions:
    150/280 + 168/280 = 150 + 168/280 = 318/280
  5. 318/280 simplified gives 159/140
  6. So, 30/56 + 42/70 = 159/140
    In mixed form: 119/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com