Subtract 75/54 from 98/15
1st number: 6 8/15, 2nd number: 1 21/54
98/15 - 75/54 is 463/90.
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,
98/15 = 98 × 18/15 × 18 = 1764/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
75/54 = 75 × 5/54 × 5 = 375/270 - Subtract the two like fractions:
1764/270 - 375/270 = 1764 - 375/270 = 1389/270 - After reducing the fraction, the answer is 463/90
- In mixed form: 513/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-75/54 98/45-75/54 98/75-75/54