Add 90/12 and 60/54
1st number: 7 6/12, 2nd number: 1 6/54
90/12 + 60/54 is 155/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
90/12 = 90 × 9/12 × 9 = 810/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
60/54 = 60 × 2/54 × 2 = 120/108 - Add the two like fractions:
810/108 + 120/108 = 810 + 120/108 = 930/108 - 930/108 simplified gives 155/18
- So, 90/12 + 60/54 = 155/18
In mixed form: 811/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+60/54 90/36+60/54 90/60+60/54 90/84+60/54