Subtract 54/60 from 7/30
7/30 - 54/60 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
7/30 = 7 × 2/30 × 2 = 14/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
54/60 = 54 × 1/60 × 1 = 54/60 - Subtract the two like fractions:
14/60 - 54/60 = 14 - 54/60 = -40/60 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-54/60 7/60-54/60 21/30-54/60 7/90-54/60 35/30-54/60 49/30-54/60