Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/12 and 1/80

1st number: 3 6/12, 2nd number: 1/80

42/12 + 1/80 is 281/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    42/12 = 42 × 20/12 × 20 = 840/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    1/80 = 1 × 3/80 × 3 = 3/240
  4. Add the two like fractions:
    840/240 + 3/240 = 840 + 3/240 = 843/240
  5. 843/240 simplified gives 281/80
  6. So, 42/12 + 1/80 = 281/80
    In mixed form: 341/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com