Add 7/9 and 90/84
1st number: 7/9, 2nd number: 1 6/84
7/9 + 90/84 is 233/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
7/9 = 7 × 28/9 × 28 = 196/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
90/84 = 90 × 3/84 × 3 = 270/252 - Add the two like fractions:
196/252 + 270/252 = 196 + 270/252 = 466/252 - 466/252 simplified gives 233/126
- So, 7/9 + 90/84 = 233/126
In mixed form: 1107/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+90/84 7/18+90/84 21/9+90/84 7/27+90/84 35/9+90/84 7/45+90/84 49/9+90/84 7/63+90/84