Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/9 and 21/14

1st number: 5 0/9, 2nd number: 1 7/14

45/9 + 21/14 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 14 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 9 × 14 = 126,
    45/9 = 45 × 14/9 × 14 = 630/126
  3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
    21/14 = 21 × 9/14 × 9 = 189/126
  4. Add the two like fractions:
    630/126 + 189/126 = 630 + 189/126 = 819/126
  5. 819/126 simplified gives 13/2
  6. So, 45/9 + 21/14 = 13/2
    In mixed form: 61/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com