Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/7 and 8/18

1st number: 5 5/7, 2nd number: 8/18

40/7 + 8/18 is 388/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 7 × 18 = 126,
    40/7 = 40 × 18/7 × 18 = 720/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    8/18 = 8 × 7/18 × 7 = 56/126
  4. Add the two like fractions:
    720/126 + 56/126 = 720 + 56/126 = 776/126
  5. 776/126 simplified gives 388/63
  6. So, 40/7 + 8/18 = 388/63
    In mixed form: 610/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com