Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/70 and 14/3

1st number: 1 20/70, 2nd number: 4 2/3

90/70 + 14/3 is 125/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 3 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    90/70 = 90 × 3/70 × 3 = 270/210
  3. Likewise, for the 2nd fraction, since 3 × 70 = 210,
    14/3 = 14 × 70/3 × 70 = 980/210
  4. Add the two like fractions:
    270/210 + 980/210 = 270 + 980/210 = 1250/210
  5. 1250/210 simplified gives 125/21
  6. So, 90/70 + 14/3 = 125/21
    In mixed form: 520/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com