Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/45 and 12/70

1st number: 1 9/45, 2nd number: 12/70

54/45 + 12/70 is 48/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    54/45 = 54 × 14/45 × 14 = 756/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    12/70 = 12 × 9/70 × 9 = 108/630
  4. Add the two like fractions:
    756/630 + 108/630 = 756 + 108/630 = 864/630
  5. 864/630 simplified gives 48/35
  6. So, 54/45 + 12/70 = 48/35
    In mixed form: 113/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com