Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/84 and 45/70

1/84 + 45/70 is 55/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    1/84 = 1 × 5/84 × 5 = 5/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    45/70 = 45 × 6/70 × 6 = 270/420
  4. Add the two fractions:
    5/420 + 270/420 = 5 + 270/420 = 275/420
  5. 275/420 simplified gives 55/84
  6. So, 1/84 + 45/70 = 55/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com