Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/30 and 70/63

1st number: 15/30, 2nd number: 1 7/63

15/30 + 70/63 is 29/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 30 × 21 = 630,
    15/30 = 15 × 21/30 × 21 = 315/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    70/63 = 70 × 10/63 × 10 = 700/630
  4. Add the two like fractions:
    315/630 + 700/630 = 315 + 700/630 = 1015/630
  5. 1015/630 simplified gives 29/18
  6. So, 15/30 + 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