Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 24/21 and 8/90

1st number: 1 3/21, 2nd number: 8/90

24/21 + 8/90 is 388/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 90 is 630
  2. For the 1st fraction, since 21 × 30 = 630,
    24/21 = 24 × 30/21 × 30 = 720/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    8/90 = 8 × 7/90 × 7 = 56/630
  4. Add the two fractions:
    720/630 + 56/630 = 720 + 56/630 = 776/630
  5. After reducing the fraction, the answer is 388/315
  6. In mixed form: 173/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com