Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/12 and 48/7

1st number: 3 9/12, 2nd number: 6 6/7

45/12 + 48/7 is 297/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    45/12 = 45 × 7/12 × 7 = 315/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    48/7 = 48 × 12/7 × 12 = 576/84
  4. Add the two like fractions:
    315/84 + 576/84 = 315 + 576/84 = 891/84
  5. 891/84 simplified gives 297/28
  6. So, 45/12 + 48/7 = 297/28
    In mixed form: 1017/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com