Add 7/3 and 90/84
1st number: 2 1/3, 2nd number: 1 6/84
7/3 + 90/84 is 143/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
7/3 = 7 × 28/3 × 28 = 196/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
196/84 + 90/84 = 196 + 90/84 = 286/84 - 286/84 simplified gives 143/42
- So, 7/3 + 90/84 = 143/42
In mixed form: 317/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3+90/84 7/6+90/84 21/3+90/84 7/9+90/84 35/3+90/84 7/15+90/84 49/3+90/84 7/21+90/84