Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/48 and 21/10

1st number: 42/48, 2nd number: 2 1/10

42/48 + 21/10 is 119/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 10 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 48 × 5 = 240,
    42/48 = 42 × 5/48 × 5 = 210/240
  3. Likewise, for the 2nd fraction, since 10 × 24 = 240,
    21/10 = 21 × 24/10 × 24 = 504/240
  4. Add the two like fractions:
    210/240 + 504/240 = 210 + 504/240 = 714/240
  5. 714/240 simplified gives 119/40
  6. So, 42/48 + 21/10 = 119/40
    In mixed form: 239/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com