Add 5/14 and 84/90
5/14 + 84/90 is 271/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
5/14 = 5 × 45/14 × 45 = 225/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
84/90 = 84 × 7/90 × 7 = 588/630 - Add the two like fractions:
225/630 + 588/630 = 225 + 588/630 = 813/630 - 813/630 simplified gives 271/210
- So, 5/14 + 84/90 = 271/210
In mixed form: 161/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14+84/90 5/28+84/90 15/14+84/90 5/42+84/90 25/14+84/90 5/70+84/90 35/14+84/90 5/98+84/90