Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/12 and 81/40

1st number: 3 0/12, 2nd number: 2 1/40

36/12 + 81/40 is 201/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    36/12 = 36 × 10/12 × 10 = 360/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    81/40 = 81 × 3/40 × 3 = 243/120
  4. Add the two like fractions:
    360/120 + 243/120 = 360 + 243/120 = 603/120
  5. 603/120 simplified gives 201/40
  6. So, 36/12 + 81/40 = 201/40
    In mixed form: 51/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com