Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/40 and 70/63

1st number: 4/40, 2nd number: 1 7/63

4/40 + 70/63 is 109/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    4/40 = 4 × 63/40 × 63 = 252/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    70/63 = 70 × 40/63 × 40 = 2800/2520
  4. Add the two like fractions:
    252/2520 + 2800/2520 = 252 + 2800/2520 = 3052/2520
  5. 3052/2520 simplified gives 109/90
  6. So, 4/40 + 70/63 = 109/90
    In mixed form: 119/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com