Subtract 8/60 from 40/54
40/54 - 8/60 is 82/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
40/54 = 40 × 10/54 × 10 = 400/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
8/60 = 8 × 9/60 × 9 = 72/540 - Subtract the two like fractions:
400/540 - 72/540 = 400 - 72/540 = 328/540 - After reducing the fraction, the answer is 82/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/54-8/60 40/54-16/60 40/54-24/60 40/54-40/60 40/54-56/60