Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/30 and 42/63

7/30 + 42/63 is 9/10.

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,
    7/30 = 7 × 21/30 × 21 = 147/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    42/63 = 42 × 10/63 × 10 = 420/630
  4. Add the two like fractions:
    147/630 + 420/630 = 147 + 420/630 = 567/630
  5. 567/630 simplified gives 9/10
  6. So, 7/30 + 42/63 = 9/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com