Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/10 and 45/40

1st number: 3 0/10, 2nd number: 1 5/40

30/10 + 45/40 is 33/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    30/10 = 30 × 4/10 × 4 = 120/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    45/40 = 45 × 1/40 × 1 = 45/40
  4. Add the two fractions:
    120/40 + 45/40 = 120 + 45/40 = 165/40
  5. 165/40 simplified gives 33/8
  6. So, 30/10 + 45/40 = 33/8
    In mixed form: 41/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com