Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/40 and 80/30

1st number: 1 5/40, 2nd number: 2 20/30

45/40 + 80/30 is 91/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    45/40 = 45 × 3/40 × 3 = 135/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    80/30 = 80 × 4/30 × 4 = 320/120
  4. Add the two fractions:
    135/120 + 320/120 = 135 + 320/120 = 455/120
  5. After reducing the fraction, the answer is 91/24
  6. In mixed form: 319/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com