Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/50 and 7/20

1st number: 1 40/50, 2nd number: 7/20

90/50 + 7/20 is 43/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 50 × 2 = 100,
    90/50 = 90 × 2/50 × 2 = 180/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    7/20 = 7 × 5/20 × 5 = 35/100
  4. Add the two like fractions:
    180/100 + 35/100 = 180 + 35/100 = 215/100
  5. 215/100 simplified gives 43/20
  6. So, 90/50 + 7/20 = 43/20
    In mixed form: 23/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com