Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/40 and 70/63

1st number: 6/40, 2nd number: 1 7/63

6/40 + 70/63 is 227/180.

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,
    6/40 = 6 × 63/40 × 63 = 378/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    70/63 = 70 × 40/63 × 40 = 2800/2520
  4. Add the two fractions:
    378/2520 + 2800/2520 = 378 + 2800/2520 = 3178/2520
  5. 3178/2520 simplified gives 227/180
  6. So, 6/40 + 70/63 = 227/180
    In mixed form: 147/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com