Subtract 81/27 from 4/98
1st number: 4/98, 2nd number: 3 0/27
4/98 - 81/27 is -145/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 27 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
4/98 = 4 × 27/98 × 27 = 108/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
81/27 = 81 × 98/27 × 98 = 7938/2646 - Subtract the two like fractions:
108/2646 - 7938/2646 = 108 - 7938/2646 = -7830/2646 - After reducing the fraction, the answer is -145/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/98-81/27 4/98-81/54 12/98-81/27 20/98-81/27 28/98-81/27