Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/45 and 10/9

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

21/45 + 10/9 is 71/45.

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,
    10/9 = 10 × 5/9 × 5 = 50/45
  4. Add the two fractions:
    21/45 + 50/45 = 21 + 50/45 = 71/45
  5. So, 21/45 + 10/9 = 71/45
    In mixed form: 126/45

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com