Subtract 5/60 from 18/45
18/45 - 5/60 is 19/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
5/60 = 5 × 3/60 × 3 = 15/180 - Subtract the two like fractions:
72/180 - 15/180 = 72 - 15/180 = 57/180 - After reducing the fraction, the answer is 19/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45-5/60 18/45-10/60 18/90-5/60 54/45-5/60 18/45-15/60 90/45-5/60 18/45-25/60 18/45-35/60