Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 10/21 and 42/8

1st number: 10/21, 2nd number: 5 2/8

10/21 + 42/8 is 481/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    10/21 = 10 × 8/21 × 8 = 80/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    42/8 = 42 × 21/8 × 21 = 882/168
  4. Add the two fractions:
    80/168 + 882/168 = 80 + 882/168 = 962/168
  5. After reducing the fraction, the answer is 481/84
  6. In mixed form: 561/84

Related:

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

© everydaycalculation.com