Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/48 and 63/45

1st number: 30/48, 2nd number: 1 18/45

30/48 + 63/45 is 81/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    30/48 = 30 × 15/48 × 15 = 450/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    63/45 = 63 × 16/45 × 16 = 1008/720
  4. Add the two like fractions:
    450/720 + 1008/720 = 450 + 1008/720 = 1458/720
  5. 1458/720 simplified gives 81/40
  6. So, 30/48 + 63/45 = 81/40
    In mixed form: 21/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com