Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/14 and 15/18

1st number: 2 12/14, 2nd number: 15/18

40/14 + 15/18 is 155/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 14 × 9 = 126,
    40/14 = 40 × 9/14 × 9 = 360/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    15/18 = 15 × 7/18 × 7 = 105/126
  4. Add the two like fractions:
    360/126 + 105/126 = 360 + 105/126 = 465/126
  5. 465/126 simplified gives 155/42
  6. So, 40/14 + 15/18 = 155/42
    In mixed form: 329/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com