Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 56/7 and 42/30

1st number: 8 0/7, 2nd number: 1 12/30

56/7 + 42/30 is 47/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    56/7 = 56 × 30/7 × 30 = 1680/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    42/30 = 42 × 7/30 × 7 = 294/210
  4. Add the two like fractions:
    1680/210 + 294/210 = 1680 + 294/210 = 1974/210
  5. 1974/210 simplified gives 47/5
  6. So, 56/7 + 42/30 = 47/5
    In mixed form: 92/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com