Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 2/5 and 70/42

1st number: 2/5, 2nd number: 1 28/42

2/5 + 70/42 is 31/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210
  2. For the 1st fraction, since 5 × 42 = 210,
    2/5 = 2 × 42/5 × 42 = 84/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  4. Add the two fractions:
    84/210 + 350/210 = 84 + 350/210 = 434/210
  5. After reducing the fraction, the answer is 31/15
  6. In mixed form: 21/15

Related:

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

© everydaycalculation.com