Add 60/12 and 5/90
1st number: 5 0/12, 2nd number: 5/90
60/12 + 5/90 is 91/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
60/12 = 60 × 15/12 × 15 = 900/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Add the two like fractions:
900/180 + 10/180 = 900 + 10/180 = 910/180 - 910/180 simplified gives 91/18
- So, 60/12 + 5/90 = 91/18
In mixed form: 51/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+10/90 60/24+5/90 60/12+15/90 60/36+5/90 60/12+25/90 60/12+35/90 60/84+5/90