Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/18 and 30/70

1st number: 3 16/18, 2nd number: 30/70

70/18 + 30/70 is 272/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    70/18 = 70 × 35/18 × 35 = 2450/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    30/70 = 30 × 9/70 × 9 = 270/630
  4. Add the two like fractions:
    2450/630 + 270/630 = 2450 + 270/630 = 2720/630
  5. 2720/630 simplified gives 272/63
  6. So, 70/18 + 30/70 = 272/63
    In mixed form: 420/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com