Subtract 2/49 from 81/4
1st number: 20 1/4, 2nd number: 2/49
81/4 - 2/49 is 3961/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 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 49 × 4 = 196,
2/49 = 2 × 4/49 × 4 = 8/196 - Subtract the two like fractions:
3969/196 - 8/196 = 3969 - 8/196 = 3961/196 - In mixed form: 2041/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4-4/49 81/8-2/49 81/4-2/98 81/4-6/49 81/12-2/49 81/4-10/49 81/20-2/49 81/4-14/49 81/28-2/49