Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/40 and 25/8

1st number: 1 5/40, 2nd number: 3 1/8

45/40 + 25/8 is 17/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    45/40 = 45 × 1/40 × 1 = 45/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    25/8 = 25 × 5/8 × 5 = 125/40
  4. Add the two like fractions:
    45/40 + 125/40 = 45 + 125/40 = 170/40
  5. 170/40 simplified gives 17/4
  6. So, 45/40 + 25/8 = 17/4
    In mixed form: 41/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com