Subtract 63/49 from 4/81
1st number: 4/81, 2nd number: 1 14/49
4/81 - 63/49 is -701/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
4/81 = 4 × 49/81 × 49 = 196/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
63/49 = 63 × 81/49 × 81 = 5103/3969 - Subtract the two like fractions:
196/3969 - 5103/3969 = 196 - 5103/3969 = -4907/3969 - After reducing the fraction, the answer is -701/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/81-63/49 4/81-63/98 12/81-63/49 20/81-63/49 28/81-63/49