Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 70/21 and 45/4

1st number: 3 7/21, 2nd number: 11 1/4

70/21 + 45/4 is 175/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    70/21 = 70 × 4/21 × 4 = 280/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    45/4 = 45 × 21/4 × 21 = 945/84
  4. Add the two fractions:
    280/84 + 945/84 = 280 + 945/84 = 1225/84
  5. After reducing the fraction, the answer is 175/12
  6. In mixed form: 147/12

Related:

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

© everydaycalculation.com