Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/56 and 45/15

1st number: 1 28/56, 2nd number: 3 0/15

84/56 + 45/15 is 9/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840
  2. For the 1st fraction, since 56 × 15 = 840,
    84/56 = 84 × 15/56 × 15 = 1260/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    45/15 = 45 × 56/15 × 56 = 2520/840
  4. Add the two fractions:
    1260/840 + 2520/840 = 1260 + 2520/840 = 3780/840
  5. 3780/840 simplified gives 9/2
  6. So, 84/56 + 45/15 = 9/2
    In mixed form: 41/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com