Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/15 and 70/35

1st number: 1 5/15, 2nd number: 2 0/35

20/15 + 70/35 is 10/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 35 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    20/15 = 20 × 7/15 × 7 = 140/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    70/35 = 70 × 3/35 × 3 = 210/105
  4. Add the two like fractions:
    140/105 + 210/105 = 140 + 210/105 = 350/105
  5. 350/105 simplified gives 10/3
  6. So, 20/15 + 70/35 = 10/3
    In mixed form: 31/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com