Subtract 54/60 from 7/8
7/8 - 54/60 is -1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
7/8 = 7 × 15/8 × 15 = 105/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
54/60 = 54 × 2/60 × 2 = 108/120 - Subtract the two like fractions:
105/120 - 108/120 = 105 - 108/120 = -3/120 - After reducing the fraction, the answer is -1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-54/60 7/16-54/60 21/8-54/60 7/24-54/60 35/8-54/60 7/40-54/60 49/8-54/60 7/56-54/60