Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/18 and 70/63

1st number: 3/18, 2nd number: 1 7/63

3/18 + 70/63 is 23/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 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 63 × 2 = 126,
    70/63 = 70 × 2/63 × 2 = 140/126
  4. Add the two like fractions:
    21/126 + 140/126 = 21 + 140/126 = 161/126
  5. 161/126 simplified gives 23/18
  6. So, 3/18 + 70/63 = 23/18
    In mixed form: 15/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com