Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/70 and 56/45

1st number: 12/70, 2nd number: 1 11/45

12/70 + 56/45 is 446/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    12/70 = 12 × 9/70 × 9 = 108/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    56/45 = 56 × 14/45 × 14 = 784/630
  4. Add the two like fractions:
    108/630 + 784/630 = 108 + 784/630 = 892/630
  5. 892/630 simplified gives 446/315
  6. So, 12/70 + 56/45 = 446/315
    In mixed form: 1131/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com