Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 28/14 and 25/40

1st number: 2 0/14, 2nd number: 25/40

28/14 + 25/40 is 21/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280
  2. For the 1st fraction, since 14 × 20 = 280,
    28/14 = 28 × 20/14 × 20 = 560/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    25/40 = 25 × 7/40 × 7 = 175/280
  4. Add the two fractions:
    560/280 + 175/280 = 560 + 175/280 = 735/280
  5. After reducing the fraction, the answer is 21/8
  6. In mixed form: 25/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com