Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/40 and 80/30

1st number: 1 2/40, 2nd number: 2 20/30

42/40 + 80/30 is 223/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    42/40 = 42 × 3/40 × 3 = 126/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    80/30 = 80 × 4/30 × 4 = 320/120
  4. Add the two like fractions:
    126/120 + 320/120 = 126 + 320/120 = 446/120
  5. 446/120 simplified gives 223/60
  6. So, 42/40 + 80/30 = 223/60
    In mixed form: 343/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com