Subtract 21/27 from 10/98
10/98 - 21/27 is -298/441.
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,
10/98 = 10 × 27/98 × 27 = 270/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
21/27 = 21 × 98/27 × 98 = 2058/2646 - Subtract the two like fractions:
270/2646 - 2058/2646 = 270 - 2058/2646 = -1788/2646 - After reducing the fraction, the answer is -298/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/98-21/27 10/98-42/27 10/98-21/54 30/98-21/27 10/98-63/27 10/98-21/81 50/98-21/27 70/98-21/27