Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/56 and 18/90

3/56 + 18/90 is 71/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    3/56 = 3 × 45/56 × 45 = 135/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    18/90 = 18 × 28/90 × 28 = 504/2520
  4. Add the two fractions:
    135/2520 + 504/2520 = 135 + 504/2520 = 639/2520
  5. 639/2520 simplified gives 71/280
  6. So, 3/56 + 18/90 = 71/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com