Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/8 and 18/30

3/8 + 18/30 is 39/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 30 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    3/8 = 3 × 15/8 × 15 = 45/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    18/30 = 18 × 4/30 × 4 = 72/120
  4. Add the two fractions:
    45/120 + 72/120 = 45 + 72/120 = 117/120
  5. 117/120 simplified gives 39/40
  6. So, 3/8 + 18/30 = 39/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com