Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/5 and 21/63

1st number: 14 0/5, 2nd number: 21/63

70/5 + 21/63 is 43/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 5 × 63 = 315,
    70/5 = 70 × 63/5 × 63 = 4410/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    21/63 = 21 × 5/63 × 5 = 105/315
  4. Add the two like fractions:
    4410/315 + 105/315 = 4410 + 105/315 = 4515/315
  5. 4515/315 simplified gives 43/3
  6. So, 70/5 + 21/63 = 43/3
    In mixed form: 141/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com