Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/12 and 3/40

1st number: 3 9/12, 2nd number: 3/40

45/12 + 3/40 is 153/40.

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,
    45/12 = 45 × 10/12 × 10 = 450/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    3/40 = 3 × 3/40 × 3 = 9/120
  4. Add the two like fractions:
    450/120 + 9/120 = 450 + 9/120 = 459/120
  5. 459/120 simplified gives 153/40
  6. So, 45/12 + 3/40 = 153/40
    In mixed form: 333/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com