Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/40 and 70/84

1st number: 1 35/40, 2nd number: 70/84

75/40 + 70/84 is 65/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    75/40 = 75 × 21/40 × 21 = 1575/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    70/84 = 70 × 10/84 × 10 = 700/840
  4. Add the two like fractions:
    1575/840 + 700/840 = 1575 + 700/840 = 2275/840
  5. 2275/840 simplified gives 65/24
  6. So, 75/40 + 70/84 = 65/24
    In mixed form: 217/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com