Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/2 and 3/40

1st number: 21 0/2, 2nd number: 3/40

42/2 + 3/40 is 843/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 2 × 20 = 40,
    42/2 = 42 × 20/2 × 20 = 840/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    3/40 = 3 × 1/40 × 1 = 3/40
  4. Add the two like fractions:
    840/40 + 3/40 = 840 + 3/40 = 843/40
  5. So, 42/2 + 3/40 = 843/40
    In mixed form: 213/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com