Subtract 27/98 from 81/4
1st number: 20 1/4, 2nd number: 27/98
81/4 - 27/98 is 3915/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
81/4 = 81 × 49/4 × 49 = 3969/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
27/98 = 27 × 2/98 × 2 = 54/196 - Subtract the two like fractions:
3969/196 - 54/196 = 3969 - 54/196 = 3915/196 - In mixed form: 19191/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4-54/98 81/8-27/98 81/4-81/98 81/12-27/98 81/20-27/98 81/28-27/98