Subtract 36/80 from 40/54
40/54 - 36/80 is 157/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
40/54 = 40 × 40/54 × 40 = 1600/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
36/80 = 36 × 27/80 × 27 = 972/2160 - Subtract the two like fractions:
1600/2160 - 972/2160 = 1600 - 972/2160 = 628/2160 - After reducing the fraction, the answer is 157/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/54-36/80 40/54-72/80