Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/40 and 18/14

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

42/40 + 18/14 is 327/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 14 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
    18/14 = 18 × 20/14 × 20 = 360/280
  4. Add the two fractions:
    294/280 + 360/280 = 294 + 360/280 = 654/280
  5. 654/280 simplified gives 327/140
  6. So, 42/40 + 18/14 = 327/140
    In mixed form: 247/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com