Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/42 and 90/70

1st number: 5/42, 2nd number: 1 20/70

5/42 + 90/70 is 59/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    5/42 = 5 × 5/42 × 5 = 25/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    90/70 = 90 × 3/70 × 3 = 270/210
  4. Add the two like fractions:
    25/210 + 270/210 = 25 + 270/210 = 295/210
  5. 295/210 simplified gives 59/42
  6. So, 5/42 + 90/70 = 59/42
    In mixed form: 117/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com