Subtract 54/60 from 60/90
60/90 - 54/60 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
60/90 = 60 × 2/90 × 2 = 120/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
54/60 = 54 × 3/60 × 3 = 162/180 - Subtract the two like fractions:
120/180 - 162/180 = 120 - 162/180 = -42/180 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: