Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/12 and 84/45

1st number: 7/12, 2nd number: 1 39/45

7/12 + 84/45 is 49/20.

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,
    7/12 = 7 × 15/12 × 15 = 105/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    84/45 = 84 × 4/45 × 4 = 336/180
  4. Add the two like fractions:
    105/180 + 336/180 = 105 + 336/180 = 441/180
  5. 441/180 simplified gives 49/20
  6. So, 7/12 + 84/45 = 49/20
    In mixed form: 29/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com