Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/4 and 90/5

1st number: 7 2/4, 2nd number: 18 0/5

30/4 + 90/5 is 51/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    30/4 = 30 × 5/4 × 5 = 150/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    90/5 = 90 × 4/5 × 4 = 360/20
  4. Add the two like fractions:
    150/20 + 360/20 = 150 + 360/20 = 510/20
  5. 510/20 simplified gives 51/2
  6. So, 30/4 + 90/5 = 51/2
    In mixed form: 251/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com