Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/14 and 30/40

1st number: 1 4/14, 2nd number: 30/40

18/14 + 30/40 is 57/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280
  2. For the 1st fraction, since 14 × 20 = 280,
    18/14 = 18 × 20/14 × 20 = 360/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    30/40 = 30 × 7/40 × 7 = 210/280
  4. Add the two fractions:
    360/280 + 210/280 = 360 + 210/280 = 570/280
  5. 570/280 simplified gives 57/28
  6. So, 18/14 + 30/40 = 57/28
    In mixed form: 21/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com