Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/40 and 6/42

1st number: 1 23/40, 2nd number: 6/42

63/40 + 6/42 is 481/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 42 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    63/40 = 63 × 21/40 × 21 = 1323/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    6/42 = 6 × 20/42 × 20 = 120/840
  4. Add the two like fractions:
    1323/840 + 120/840 = 1323 + 120/840 = 1443/840
  5. 1443/840 simplified gives 481/280
  6. So, 63/40 + 6/42 = 481/280
    In mixed form: 1201/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com