Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/30 and 16/40

28/30 + 16/40 is 4/3.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    28/30 = 28 × 4/30 × 4 = 112/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    16/40 = 16 × 3/40 × 3 = 48/120
  4. Add the two like fractions:
    112/120 + 48/120 = 112 + 48/120 = 160/120
  5. 160/120 simplified gives 4/3
  6. So, 28/30 + 16/40 = 4/3
    In mixed form: 11/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com