Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/21 and 70/6

1st number: 3 0/21, 2nd number: 11 4/6

63/21 + 70/6 is 44/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    63/21 = 63 × 2/21 × 2 = 126/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    70/6 = 70 × 7/6 × 7 = 490/42
  4. Add the two like fractions:
    126/42 + 490/42 = 126 + 490/42 = 616/42
  5. 616/42 simplified gives 44/3
  6. So, 63/21 + 70/6 = 44/3
    In mixed form: 142/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com