Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/50 and 21/12

1st number: 42/50, 2nd number: 1 9/12

42/50 + 21/12 is 259/100.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 12 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 50 × 6 = 300,
    42/50 = 42 × 6/50 × 6 = 252/300
  3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
    21/12 = 21 × 25/12 × 25 = 525/300
  4. Add the two like fractions:
    252/300 + 525/300 = 252 + 525/300 = 777/300
  5. 777/300 simplified gives 259/100
  6. So, 42/50 + 21/12 = 259/100
    In mixed form: 259/100

MathStep (Works offline)

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

Related:

© everydaycalculation.com