Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/35 and 70/42

1st number: 1 5/35, 2nd number: 1 28/42

40/35 + 70/42 is 59/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 35 × 6 = 210,
    40/35 = 40 × 6/35 × 6 = 240/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  4. Add the two like fractions:
    240/210 + 350/210 = 240 + 350/210 = 590/210
  5. 590/210 simplified gives 59/21
  6. So, 40/35 + 70/42 = 59/21
    In mixed form: 217/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com