Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/63 and 3/40

30/63 + 3/40 is 463/840.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    30/63 = 30 × 40/63 × 40 = 1200/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    3/40 = 3 × 63/40 × 63 = 189/2520
  4. Add the two like fractions:
    1200/2520 + 189/2520 = 1200 + 189/2520 = 1389/2520
  5. 1389/2520 simplified gives 463/840
  6. So, 30/63 + 3/40 = 463/840

MathStep (Works offline)

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

Related:

© everydaycalculation.com