Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/16 and 90/15

1st number: 4 6/16, 2nd number: 6 0/15

70/16 + 90/15 is 83/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 16 × 15 = 240,
    70/16 = 70 × 15/16 × 15 = 1050/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    90/15 = 90 × 16/15 × 16 = 1440/240
  4. Add the two like fractions:
    1050/240 + 1440/240 = 1050 + 1440/240 = 2490/240
  5. 2490/240 simplified gives 83/8
  6. So, 70/16 + 90/15 = 83/8
    In mixed form: 103/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com