Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/24 and 20/70

1st number: 3 12/24, 2nd number: 20/70

84/24 + 20/70 is 53/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    84/24 = 84 × 35/24 × 35 = 2940/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    20/70 = 20 × 12/70 × 12 = 240/840
  4. Add the two like fractions:
    2940/840 + 240/840 = 2940 + 240/840 = 3180/840
  5. 3180/840 simplified gives 53/14
  6. So, 84/24 + 20/70 = 53/14
    In mixed form: 311/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com