Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/12 and 70/40

1st number: 4 6/12, 2nd number: 1 30/40

54/12 + 70/40 is 25/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120
  2. For the 1st fraction, since 12 × 10 = 120,
    54/12 = 54 × 10/12 × 10 = 540/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    70/40 = 70 × 3/40 × 3 = 210/120
  4. Add the two fractions:
    540/120 + 210/120 = 540 + 210/120 = 750/120
  5. 750/120 simplified gives 25/4
  6. So, 54/12 + 70/40 = 25/4
    In mixed form: 61/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com