Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 28/15 and 18/84

1st number: 1 13/15, 2nd number: 18/84

28/15 + 18/84 is 437/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    28/15 = 28 × 28/15 × 28 = 784/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    18/84 = 18 × 5/84 × 5 = 90/420
  4. Add the two fractions:
    784/420 + 90/420 = 784 + 90/420 = 874/420
  5. After reducing the fraction, the answer is 437/210
  6. In mixed form: 217/210

Related:

Use fraction calculator with our all-in-one calculator app: Download for Android, Download for iOS

© everydaycalculation.com