Add 7/60 and 7/90
7/60 + 7/90 is 7/36.
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,
7/60 = 7 × 3/60 × 3 = 21/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Add the two like fractions:
21/180 + 14/180 = 21 + 14/180 = 35/180 - 35/180 simplified gives 7/36
- So, 7/60 + 7/90 = 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60+7/90 7/60+14/90 21/60+7/90 7/60+21/90 35/60+7/90 7/60+35/90 49/60+7/90 7/60+49/90