Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/30 and 45/40

1st number: 2 15/30, 2nd number: 1 5/40

75/30 + 45/40 is 29/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120
  2. For the 1st fraction, since 30 × 4 = 120,
    75/30 = 75 × 4/30 × 4 = 300/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    45/40 = 45 × 3/40 × 3 = 135/120
  4. Add the two fractions:
    300/120 + 135/120 = 300 + 135/120 = 435/120
  5. 435/120 simplified gives 29/8
  6. So, 75/30 + 45/40 = 29/8
    In mixed form: 35/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com