Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/12 and 16/45

1st number: 7 6/12, 2nd number: 16/45

90/12 + 16/45 is 707/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    90/12 = 90 × 15/12 × 15 = 1350/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    16/45 = 16 × 4/45 × 4 = 64/180
  4. Add the two like fractions:
    1350/180 + 64/180 = 1350 + 64/180 = 1414/180
  5. 1414/180 simplified gives 707/90
  6. So, 90/12 + 16/45 = 707/90
    In mixed form: 777/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com