Subtract 1/54 from 40/15
1st number: 2 10/15, 2nd number: 1/54
40/15 - 1/54 is 143/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
40/15 = 40 × 18/15 × 18 = 720/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
1/54 = 1 × 5/54 × 5 = 5/270 - Subtract the two like fractions:
720/270 - 5/270 = 720 - 5/270 = 715/270 - After reducing the fraction, the answer is 143/54
- In mixed form: 235/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-1/54 40/15-2/54 40/30-1/54 40/15-3/54 40/45-1/54 40/15-5/54 40/75-1/54 40/15-7/54