Subtract 20/54 from 12/98
12/98 - 20/54 is -328/1323.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
12/98 = 12 × 27/98 × 27 = 324/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
20/54 = 20 × 49/54 × 49 = 980/2646 - Subtract the two like fractions:
324/2646 - 980/2646 = 324 - 980/2646 = -656/2646 - After reducing the fraction, the answer is -328/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/98-20/54 12/98-40/54 36/98-20/54 12/98-60/54 60/98-20/54 84/98-20/54