Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/63 and 2/40

1st number: 1 9/63, 2nd number: 2/40

72/63 + 2/40 is 167/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    72/63 = 72 × 40/63 × 40 = 2880/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    2/40 = 2 × 63/40 × 63 = 126/2520
  4. Add the two fractions:
    2880/2520 + 126/2520 = 2880 + 126/2520 = 3006/2520
  5. 3006/2520 simplified gives 167/140
  6. So, 72/63 + 2/40 = 167/140
    In mixed form: 127/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com