Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/70 and 12/28

1st number: 1 14/70, 2nd number: 12/28

84/70 + 12/28 is 57/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    84/70 = 84 × 2/70 × 2 = 168/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    12/28 = 12 × 5/28 × 5 = 60/140
  4. Add the two like fractions:
    168/140 + 60/140 = 168 + 60/140 = 228/140
  5. 228/140 simplified gives 57/35
  6. So, 84/70 + 12/28 = 57/35
    In mixed form: 122/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com