Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/40 and 60/63

7/40 + 60/63 is 947/840.

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,
    7/40 = 7 × 63/40 × 63 = 441/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    60/63 = 60 × 40/63 × 40 = 2400/2520
  4. Add the two like fractions:
    441/2520 + 2400/2520 = 441 + 2400/2520 = 2841/2520
  5. 2841/2520 simplified gives 947/840
  6. So, 7/40 + 60/63 = 947/840
    In mixed form: 1107/840

MathStep (Works offline)

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

Related:

© everydaycalculation.com