Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/15 and 45/14

1st number: 4 12/15, 2nd number: 3 3/14

72/15 + 45/14 is 561/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 14 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    72/15 = 72 × 14/15 × 14 = 1008/210
  3. Likewise, for the 2nd fraction, since 14 × 15 = 210,
    45/14 = 45 × 15/14 × 15 = 675/210
  4. Add the two like fractions:
    1008/210 + 675/210 = 1008 + 675/210 = 1683/210
  5. 1683/210 simplified gives 561/70
  6. So, 72/15 + 45/14 = 561/70
    In mixed form: 81/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com