Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/18 and 60/45

1st number: 1 12/18, 2nd number: 1 15/45

30/18 + 60/45 is 3/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    30/18 = 30 × 5/18 × 5 = 150/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    60/45 = 60 × 2/45 × 2 = 120/90
  4. Add the two fractions:
    150/90 + 120/90 = 150 + 120/90 = 270/90
  5. 270/90 simplified gives 3/1
  6. So, 30/18 + 60/45 = 3/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com