Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/12 and 15/10

1st number: 3 9/12, 2nd number: 1 5/10

45/12 + 15/10 is 21/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    45/12 = 45 × 5/12 × 5 = 225/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    15/10 = 15 × 6/10 × 6 = 90/60
  4. Add the two like fractions:
    225/60 + 90/60 = 225 + 90/60 = 315/60
  5. 315/60 simplified gives 21/4
  6. So, 45/12 + 15/10 = 21/4
    In mixed form: 51/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com