Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/40 and 48/30

1st number: 15/40, 2nd number: 1 18/30

15/40 + 48/30 is 79/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    15/40 = 15 × 3/40 × 3 = 45/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    48/30 = 48 × 4/30 × 4 = 192/120
  4. Add the two like fractions:
    45/120 + 192/120 = 45 + 192/120 = 237/120
  5. 237/120 simplified gives 79/40
  6. So, 15/40 + 48/30 = 79/40
    In mixed form: 139/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com