Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/28 and 20/70

1st number: 2 14/28, 2nd number: 20/70

70/28 + 20/70 is 39/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    70/28 = 70 × 5/28 × 5 = 350/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    20/70 = 20 × 2/70 × 2 = 40/140
  4. Add the two fractions:
    350/140 + 40/140 = 350 + 40/140 = 390/140
  5. 390/140 simplified gives 39/14
  6. So, 70/28 + 20/70 = 39/14
    In mixed form: 211/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com