Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/12 and 60/80

1st number: 1 6/12, 2nd number: 60/80

18/12 + 60/80 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240
  2. For the 1st fraction, since 12 × 20 = 240,
    18/12 = 18 × 20/12 × 20 = 360/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    60/80 = 60 × 3/80 × 3 = 180/240
  4. Add the two fractions:
    360/240 + 180/240 = 360 + 180/240 = 540/240
  5. 540/240 simplified gives 9/4
  6. So, 18/12 + 60/80 = 9/4
    In mixed form: 21/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com