Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/8 and 15/90

1st number: 8 6/8, 2nd number: 15/90

70/8 + 15/90 is 107/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    70/8 = 70 × 45/8 × 45 = 3150/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    15/90 = 15 × 4/90 × 4 = 60/360
  4. Add the two like fractions:
    3150/360 + 60/360 = 3150 + 60/360 = 3210/360
  5. 3210/360 simplified gives 107/12
  6. So, 70/8 + 15/90 = 107/12
    In mixed form: 811/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com