Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 12/8 and 42/40

1st number: 1 4/8, 2nd number: 1 2/40

12/8 + 42/40 is 51/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    12/8 = 12 × 5/8 × 5 = 60/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    42/40 = 42 × 1/40 × 1 = 42/40
  4. Add the two fractions:
    60/40 + 42/40 = 60 + 42/40 = 102/40
  5. After reducing the fraction, the answer is 51/20
  6. In mixed form: 211/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com