Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/24 and 42/18

1st number: 2 22/24, 2nd number: 2 6/18

70/24 + 42/18 is 21/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 24 × 3 = 72,
    70/24 = 70 × 3/24 × 3 = 210/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    42/18 = 42 × 4/18 × 4 = 168/72
  4. Add the two like fractions:
    210/72 + 168/72 = 210 + 168/72 = 378/72
  5. 378/72 simplified gives 21/4
  6. So, 70/24 + 42/18 = 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