Add 45/60 and 7/90
45/60 + 7/90 is 149/180.
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,
45/60 = 45 × 3/60 × 3 = 135/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Add the two like fractions:
135/180 + 14/180 = 135 + 14/180 = 149/180 - So, 45/60 + 7/90 = 149/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+7/90 45/60+14/90 45/60+21/90 45/60+35/90 45/60+49/90