Add 90/14 and 84/30
1st number: 6 6/14, 2nd number: 2 24/30
90/14 + 84/30 is 323/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
90/14 = 90 × 15/14 × 15 = 1350/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
84/30 = 84 × 7/30 × 7 = 588/210 - Add the two like fractions:
1350/210 + 588/210 = 1350 + 588/210 = 1938/210 - 1938/210 simplified gives 323/35
- So, 90/14 + 84/30 = 323/35
In mixed form: 98/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+84/30 90/14+84/60 90/42+84/30 90/14+84/90 90/70+84/30 90/98+84/30