Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/45 and 30/9

1st number: 21/45, 2nd number: 3 3/9

21/45 + 30/9 is 19/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 9 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    21/45 = 21 × 1/45 × 1 = 21/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    30/9 = 30 × 5/9 × 5 = 150/45
  4. Add the two fractions:
    21/45 + 150/45 = 21 + 150/45 = 171/45
  5. After reducing the fraction, the answer is 19/5
  6. In mixed form: 34/5

Related:

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

© everydaycalculation.com