Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/28 and 42/8

1st number: 2 14/28, 2nd number: 5 2/8

70/28 + 42/8 is 31/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 28 × 2 = 56,
    70/28 = 70 × 2/28 × 2 = 140/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    42/8 = 42 × 7/8 × 7 = 294/56
  4. Add the two like fractions:
    140/56 + 294/56 = 140 + 294/56 = 434/56
  5. 434/56 simplified gives 31/4
  6. So, 70/28 + 42/8 = 31/4
    In mixed form: 73/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com