Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/5 and 45/20

1st number: 8 0/5, 2nd number: 2 5/20

40/5 + 45/20 is 41/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 5 × 4 = 20,
    40/5 = 40 × 4/5 × 4 = 160/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    45/20 = 45 × 1/20 × 1 = 45/20
  4. Add the two like fractions:
    160/20 + 45/20 = 160 + 45/20 = 205/20
  5. 205/20 simplified gives 41/4
  6. So, 40/5 + 45/20 = 41/4
    In mixed form: 101/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com