Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/63 and 40/30

1st number: 1 7/63, 2nd number: 1 10/30

70/63 + 40/30 is 22/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    70/63 = 70 × 10/63 × 10 = 700/630
  3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
    40/30 = 40 × 21/30 × 21 = 840/630
  4. Add the two like fractions:
    700/630 + 840/630 = 700 + 840/630 = 1540/630
  5. 1540/630 simplified gives 22/9
  6. So, 70/63 + 40/30 = 22/9
    In mixed form: 24/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com