Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/42 and 5/40

1/42 + 5/40 is 25/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    1/42 = 1 × 20/42 × 20 = 20/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    5/40 = 5 × 21/40 × 21 = 105/840
  4. Add the two like fractions:
    20/840 + 105/840 = 20 + 105/840 = 125/840
  5. 125/840 simplified gives 25/168
  6. So, 1/42 + 5/40 = 25/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com