Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/96 and 30/21

1st number: 42/96, 2nd number: 1 9/21

42/96 + 30/21 is 209/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 21 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 96 × 7 = 672,
    42/96 = 42 × 7/96 × 7 = 294/672
  3. Likewise, for the 2nd fraction, since 21 × 32 = 672,
    30/21 = 30 × 32/21 × 32 = 960/672
  4. Add the two like fractions:
    294/672 + 960/672 = 294 + 960/672 = 1254/672
  5. 1254/672 simplified gives 209/112
  6. So, 42/96 + 30/21 = 209/112
    In mixed form: 197/112

MathStep (Works offline)

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

Related:

© everydaycalculation.com