Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/75 and 45/56

70/75 + 45/56 is 1459/840.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 56 is 4200

    Next, find the equivalent fraction of both fractional numbers with denominator 4200
  2. For the 1st fraction, since 75 × 56 = 4200,
    70/75 = 70 × 56/75 × 56 = 3920/4200
  3. Likewise, for the 2nd fraction, since 56 × 75 = 4200,
    45/56 = 45 × 75/56 × 75 = 3375/4200
  4. Add the two like fractions:
    3920/4200 + 3375/4200 = 3920 + 3375/4200 = 7295/4200
  5. 7295/4200 simplified gives 1459/840
  6. So, 70/75 + 45/56 = 1459/840
    In mixed form: 1619/840

MathStep (Works offline)

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

Related:

© everydaycalculation.com