Subtract 18/45 from 9/60
9/60 - 18/45 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
9/60 = 9 × 3/60 × 3 = 27/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Subtract the two like fractions:
27/180 - 72/180 = 27 - 72/180 = -45/180 - After reducing the fraction, the answer is -1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/60-18/45 9/60-36/45 9/60-18/90 27/60-18/45 9/60-54/45 45/60-18/45 9/60-90/45 63/60-18/45