Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 6/42 and 8/40

6/42 + 8/40 is 12/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840
  2. For the 1st fraction, since 42 × 20 = 840,
    6/42 = 6 × 20/42 × 20 = 120/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    8/40 = 8 × 21/40 × 21 = 168/840
  4. Add the two fractions:
    120/840 + 168/840 = 120 + 168/840 = 288/840
  5. After reducing the fraction, the answer is 12/35

Related:

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

© everydaycalculation.com