Add 90/60 and 7/18
1st number: 1 30/60, 2nd number: 7/18
90/60 + 7/18 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
90/60 = 90 × 3/60 × 3 = 270/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
7/18 = 7 × 10/18 × 10 = 70/180 - Add the two like fractions:
270/180 + 70/180 = 270 + 70/180 = 340/180 - 340/180 simplified gives 17/9
- So, 90/60 + 7/18 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+14/18 90/60+7/36 90/60+21/18 90/60+7/54 90/60+35/18 90/60+7/90 90/60+49/18