Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/90 and 70/20

1st number: 54/90, 2nd number: 3 10/20

54/90 + 70/20 is 41/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    54/90 = 54 × 2/90 × 2 = 108/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    70/20 = 70 × 9/20 × 9 = 630/180
  4. Add the two like fractions:
    108/180 + 630/180 = 108 + 630/180 = 738/180
  5. 738/180 simplified gives 41/10
  6. So, 54/90 + 70/20 = 41/10
    In mixed form: 41/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com