Subtract 10/54 from 45/40
1st number: 1 5/40, 2nd number: 10/54
45/40 - 10/54 is 203/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
45/40 = 45 × 27/40 × 27 = 1215/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
10/54 = 10 × 20/54 × 20 = 200/1080 - Subtract the two like fractions:
1215/1080 - 200/1080 = 1215 - 200/1080 = 1015/1080 - After reducing the fraction, the answer is 203/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40-10/54 45/40-20/54 45/80-10/54 45/40-30/54 45/40-50/54 45/40-70/54