Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/7 and 42/60

1st number: 12 6/7, 2nd number: 42/60

90/7 + 42/60 is 949/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 60 is 420
  2. For the 1st fraction, since 7 × 60 = 420,
    90/7 = 90 × 60/7 × 60 = 5400/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    42/60 = 42 × 7/60 × 7 = 294/420
  4. Add the two fractions:
    5400/420 + 294/420 = 5400 + 294/420 = 5694/420
  5. 5694/420 simplified gives 949/70
  6. So, 90/7 + 42/60 = 949/70
    In mixed form: 1339/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com