Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/12 and 9/10

1st number: 6 9/12, 2nd number: 9/10

81/12 + 9/10 is 153/20.

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,
    81/12 = 81 × 5/12 × 5 = 405/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    9/10 = 9 × 6/10 × 6 = 54/60
  4. Add the two like fractions:
    405/60 + 54/60 = 405 + 54/60 = 459/60
  5. 459/60 simplified gives 153/20
  6. So, 81/12 + 9/10 = 153/20
    In mixed form: 713/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com