Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 16/10 and 70/42

1st number: 1 6/10, 2nd number: 1 28/42

16/10 + 70/42 is 49/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    16/10 = 16 × 21/10 × 21 = 336/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  4. Add the two fractions:
    336/210 + 350/210 = 336 + 350/210 = 686/210
  5. 686/210 simplified gives 49/15
  6. So, 16/10 + 70/42 = 49/15
    In mixed form: 34/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com