Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/40 and 30/84

25/40 + 30/84 is 55/56.

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,
    25/40 = 25 × 21/40 × 21 = 525/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    30/84 = 30 × 10/84 × 10 = 300/840
  4. Add the two like fractions:
    525/840 + 300/840 = 525 + 300/840 = 825/840
  5. 825/840 simplified gives 55/56
  6. So, 25/40 + 30/84 = 55/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com