Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/20 and 30/16

1st number: 4 10/20, 2nd number: 1 14/16

90/20 + 30/16 is 51/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    90/20 = 90 × 4/20 × 4 = 360/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    30/16 = 30 × 5/16 × 5 = 150/80
  4. Add the two like fractions:
    360/80 + 150/80 = 360 + 150/80 = 510/80
  5. 510/80 simplified gives 51/8
  6. So, 90/20 + 30/16 = 51/8
    In mixed form: 63/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com