Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/30 and 12/63

1st number: 1 10/30, 2nd number: 12/63

40/30 + 12/63 is 32/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 30 × 21 = 630,
    40/30 = 40 × 21/30 × 21 = 840/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    12/63 = 12 × 10/63 × 10 = 120/630
  4. Add the two like fractions:
    840/630 + 120/630 = 840 + 120/630 = 960/630
  5. 960/630 simplified gives 32/21
  6. So, 40/30 + 12/63 = 32/21
    In mixed form: 111/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com