Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/28 and 42/5

1st number: 1 12/28, 2nd number: 8 2/5

40/28 + 42/5 is 344/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 5 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    40/28 = 40 × 5/28 × 5 = 200/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    42/5 = 42 × 28/5 × 28 = 1176/140
  4. Add the two like fractions:
    200/140 + 1176/140 = 200 + 1176/140 = 1376/140
  5. 1376/140 simplified gives 344/35
  6. So, 40/28 + 42/5 = 344/35
    In mixed form: 929/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com