Add 90/36 and 60/45
1st number: 2 18/36, 2nd number: 1 15/45
90/36 + 60/45 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
60/45 = 60 × 4/45 × 4 = 240/180 - Add the two like fractions:
450/180 + 240/180 = 450 + 240/180 = 690/180 - 690/180 simplified gives 23/6
- So, 90/36 + 60/45 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+60/45 90/36+60/90