Subtract 27/28 from 75/98
75/98 - 27/28 is -39/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
75/98 = 75 × 2/98 × 2 = 150/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
27/28 = 27 × 7/28 × 7 = 189/196 - Subtract the two like fractions:
150/196 - 189/196 = 150 - 189/196 = -39/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/98-54/28 75/98-27/56 75/98-81/28 75/98-27/84