Add 75/60 and 7/90
1st number: 1 15/60, 2nd number: 7/90
75/60 + 7/90 is 239/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
75/60 = 75 × 3/60 × 3 = 225/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Add the two like fractions:
225/180 + 14/180 = 225 + 14/180 = 239/180 - So, 75/60 + 7/90 = 239/180
In mixed form: 159/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/60+14/90 75/60+21/90 75/60+35/90 75/60+49/90