Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/3 and 9/7

1st number: 15 0/3, 2nd number: 1 2/7

45/3 + 9/7 is 114/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    45/3 = 45 × 7/3 × 7 = 315/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    9/7 = 9 × 3/7 × 3 = 27/21
  4. Add the two like fractions:
    315/21 + 27/21 = 315 + 27/21 = 342/21
  5. 342/21 simplified gives 114/7
  6. So, 45/3 + 9/7 = 114/7
    In mixed form: 162/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com