Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/90 and 30/8

1st number: 54/90, 2nd number: 3 6/8

54/90 + 30/8 is 87/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 8 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    54/90 = 54 × 4/90 × 4 = 216/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    30/8 = 30 × 45/8 × 45 = 1350/360
  4. Add the two like fractions:
    216/360 + 1350/360 = 216 + 1350/360 = 1566/360
  5. 1566/360 simplified gives 87/20
  6. So, 54/90 + 30/8 = 87/20
    In mixed form: 47/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com