Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/20 and 5/84

1st number: 2 2/20, 2nd number: 5/84

42/20 + 5/84 is 907/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    42/20 = 42 × 21/20 × 21 = 882/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    5/84 = 5 × 5/84 × 5 = 25/420
  4. Add the two like fractions:
    882/420 + 25/420 = 882 + 25/420 = 907/420
  5. So, 42/20 + 5/84 = 907/420
    In mixed form: 267/420

MathStep (Works offline)

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

Related:

© everydaycalculation.com