Subtract 9/45 from 7/60
7/60 - 9/45 is -1/12.
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,
7/60 = 7 × 3/60 × 3 = 21/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
9/45 = 9 × 4/45 × 4 = 36/180 - Subtract the two like fractions:
21/180 - 36/180 = 21 - 36/180 = -15/180 - After reducing the fraction, the answer is -1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60-9/45 7/60-18/45 7/60-9/90 21/60-9/45 7/60-27/45 35/60-9/45 49/60-9/45 7/60-63/45