Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/18 and 25/7

1st number: 3/18, 2nd number: 3 4/7

3/18 + 25/7 is 157/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    3/18 = 3 × 7/18 × 7 = 21/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    25/7 = 25 × 18/7 × 18 = 450/126
  4. Add the two like fractions:
    21/126 + 450/126 = 21 + 450/126 = 471/126
  5. 471/126 simplified gives 157/42
  6. So, 3/18 + 25/7 = 157/42
    In mixed form: 331/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com