Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/30 and 30/7

1st number: 15/30, 2nd number: 4 2/7

15/30 + 30/7 is 67/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    15/30 = 15 × 7/30 × 7 = 105/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    30/7 = 30 × 30/7 × 30 = 900/210
  4. Add the two like fractions:
    105/210 + 900/210 = 105 + 900/210 = 1005/210
  5. 1005/210 simplified gives 67/14
  6. So, 15/30 + 30/7 = 67/14
    In mixed form: 411/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com