Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/40 and 36/63

1st number: 2 10/40, 2nd number: 36/63

90/40 + 36/63 is 79/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    90/40 = 90 × 63/40 × 63 = 5670/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    36/63 = 36 × 40/63 × 40 = 1440/2520
  4. Add the two fractions:
    5670/2520 + 1440/2520 = 5670 + 1440/2520 = 7110/2520
  5. 7110/2520 simplified gives 79/28
  6. So, 90/40 + 36/63 = 79/28
    In mixed form: 223/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com