Subtract 54/15 from 3/54
1st number: 3/54, 2nd number: 3 9/15
3/54 - 54/15 is -319/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
54/15 = 54 × 18/15 × 18 = 972/270 - Subtract the two like fractions:
15/270 - 972/270 = 15 - 972/270 = -957/270 - After reducing the fraction, the answer is -319/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54-54/15 3/54-54/30 9/54-54/15 3/54-54/45 15/54-54/15 3/54-54/75 21/54-54/15