Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/40 and 35/84

7/40 + 35/84 is 71/120.

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,
    7/40 = 7 × 21/40 × 21 = 147/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    35/84 = 35 × 10/84 × 10 = 350/840
  4. Add the two like fractions:
    147/840 + 350/840 = 147 + 350/840 = 497/840
  5. 497/840 simplified gives 71/120
  6. So, 7/40 + 35/84 = 71/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com