Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 1/84 and 20/45

1/84 + 20/45 is 115/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 45 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    1/84 = 1 × 15/84 × 15 = 15/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    20/45 = 20 × 28/45 × 28 = 560/1260
  4. Add the two fractions:
    15/1260 + 560/1260 = 15 + 560/1260 = 575/1260
  5. After reducing the fraction, the answer is 115/252

Related:

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

© everydaycalculation.com