Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/10 and 90/40

1st number: 7 5/10, 2nd number: 2 10/40

75/10 + 90/40 is 39/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    75/10 = 75 × 4/10 × 4 = 300/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    90/40 = 90 × 1/40 × 1 = 90/40
  4. Add the two fractions:
    300/40 + 90/40 = 300 + 90/40 = 390/40
  5. 390/40 simplified gives 39/4
  6. So, 75/10 + 90/40 = 39/4
    In mixed form: 93/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com