Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/20 and 1/45

1st number: 2 0/20, 2nd number: 1/45

40/20 + 1/45 is 91/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    40/20 = 40 × 9/20 × 9 = 360/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    1/45 = 1 × 4/45 × 4 = 4/180
  4. Add the two like fractions:
    360/180 + 4/180 = 360 + 4/180 = 364/180
  5. 364/180 simplified gives 91/45
  6. So, 40/20 + 1/45 = 91/45
    In mixed form: 21/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com