Add 90/9 and 60/84
1st number: 10 0/9, 2nd number: 60/84
90/9 + 60/84 is 75/7.
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,
90/9 = 90 × 28/9 × 28 = 2520/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
60/84 = 60 × 3/84 × 3 = 180/252 - Add the two like fractions:
2520/252 + 180/252 = 2520 + 180/252 = 2700/252 - 2700/252 simplified gives 75/7
- So, 90/9 + 60/84 = 75/7
In mixed form: 105/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+60/84 90/27+60/84 90/45+60/84 90/63+60/84