Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 63/42 and 9/8

1st number: 1 21/42, 2nd number: 1 1/8

63/42 + 9/8 is 21/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    63/42 = 63 × 4/42 × 4 = 252/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    9/8 = 9 × 21/8 × 21 = 189/168
  4. Add the two fractions:
    252/168 + 189/168 = 252 + 189/168 = 441/168
  5. After reducing the fraction, the answer is 21/8
  6. In mixed form: 25/8

Related:

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

© everydaycalculation.com