Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/80 and 63/15

1st number: 1 4/80, 2nd number: 4 3/15

84/80 + 63/15 is 21/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    84/80 = 84 × 3/80 × 3 = 252/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    63/15 = 63 × 16/15 × 16 = 1008/240
  4. Add the two like fractions:
    252/240 + 1008/240 = 252 + 1008/240 = 1260/240
  5. 1260/240 simplified gives 21/4
  6. So, 84/80 + 63/15 = 21/4
    In mixed form: 51/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com