Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/7 and 30/40

1st number: 9 0/7, 2nd number: 30/40

63/7 + 30/40 is 39/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    63/7 = 63 × 40/7 × 40 = 2520/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    30/40 = 30 × 7/40 × 7 = 210/280
  4. Add the two like fractions:
    2520/280 + 210/280 = 2520 + 210/280 = 2730/280
  5. 2730/280 simplified gives 39/4
  6. So, 63/7 + 30/40 = 39/4
    In mixed form: 93/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com