Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/15 and 20/63

1st number: 1 6/15, 2nd number: 20/63

21/15 + 20/63 is 541/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315
  2. For the 1st fraction, since 15 × 21 = 315,
    21/15 = 21 × 21/15 × 21 = 441/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    20/63 = 20 × 5/63 × 5 = 100/315
  4. Add the two fractions:
    441/315 + 100/315 = 441 + 100/315 = 541/315
  5. In mixed form: 1226/315

Related:

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

© everydaycalculation.com