Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/40 and 90/9

1st number: 1 5/40, 2nd number: 10 0/9

45/40 + 90/9 is 89/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    45/40 = 45 × 9/40 × 9 = 405/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    90/9 = 90 × 40/9 × 40 = 3600/360
  4. Add the two like fractions:
    405/360 + 3600/360 = 405 + 3600/360 = 4005/360
  5. 4005/360 simplified gives 89/8
  6. So, 45/40 + 90/9 = 89/8
    In mixed form: 111/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com