Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/80 and 3/8

1st number: 1 10/80, 2nd number: 3/8

90/80 + 3/8 is 3/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 8 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    90/80 = 90 × 1/80 × 1 = 90/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    3/8 = 3 × 10/8 × 10 = 30/80
  4. Add the two like fractions:
    90/80 + 30/80 = 90 + 30/80 = 120/80
  5. 120/80 simplified gives 3/2
  6. So, 90/80 + 3/8 = 3/2
    In mixed form: 11/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com