Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/70 and 16/20

1st number: 1 5/70, 2nd number: 16/20

75/70 + 16/20 is 131/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    75/70 = 75 × 2/70 × 2 = 150/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    16/20 = 16 × 7/20 × 7 = 112/140
  4. Add the two like fractions:
    150/140 + 112/140 = 150 + 112/140 = 262/140
  5. 262/140 simplified gives 131/70
  6. So, 75/70 + 16/20 = 131/70
    In mixed form: 161/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com