Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 42/28 and 90/7

1st number: 1 14/28, 2nd number: 12 6/7

42/28 + 90/7 is 201/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28
  2. For the 1st fraction, since 28 × 1 = 28,
    42/28 = 42 × 1/28 × 1 = 42/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    90/7 = 90 × 4/7 × 4 = 360/28
  4. Add the two fractions:
    42/28 + 360/28 = 42 + 360/28 = 402/28
  5. After reducing the fraction, the answer is 201/14
  6. In mixed form: 145/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com