Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/80 and 48/40

1st number: 30/80, 2nd number: 1 8/40

30/80 + 48/40 is 63/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 40 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    30/80 = 30 × 1/80 × 1 = 30/80
  3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
    48/40 = 48 × 2/40 × 2 = 96/80
  4. Add the two like fractions:
    30/80 + 96/80 = 30 + 96/80 = 126/80
  5. 126/80 simplified gives 63/40
  6. So, 30/80 + 48/40 = 63/40
    In mixed form: 123/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com