Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/60 and 70/63

1st number: 30/60, 2nd number: 1 7/63

30/60 + 70/63 is 29/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 63 is 1260
  2. For the 1st fraction, since 60 × 21 = 1260,
    30/60 = 30 × 21/60 × 21 = 630/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    70/63 = 70 × 20/63 × 20 = 1400/1260
  4. Add the two fractions:
    630/1260 + 1400/1260 = 630 + 1400/1260 = 2030/1260
  5. 2030/1260 simplified gives 29/18
  6. So, 30/60 + 70/63 = 29/18
    In mixed form: 111/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com