Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/42 and 40/5

1st number: 1/42, 2nd number: 8 0/5

1/42 + 40/5 is 337/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 5 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  3. Likewise, for the 2nd fraction, since 5 × 42 = 210,
    40/5 = 40 × 42/5 × 42 = 1680/210
  4. Add the two like fractions:
    5/210 + 1680/210 = 5 + 1680/210 = 1685/210
  5. 1685/210 simplified gives 337/42
  6. So, 1/42 + 40/5 = 337/42
    In mixed form: 81/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com