Subtract 75/27 from 98/72
1st number: 1 26/72, 2nd number: 2 21/27
98/72 - 75/27 is -17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
98/72 = 98 × 3/72 × 3 = 294/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
75/27 = 75 × 8/27 × 8 = 600/216 - Subtract the two like fractions:
294/216 - 600/216 = 294 - 600/216 = -306/216 - After reducing the fraction, the answer is -17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/72-75/54 98/72-75/81