Subtract 21/48 from 20/98
20/98 - 21/48 is -183/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 48 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 98 × 24 = 2352,
20/98 = 20 × 24/98 × 24 = 480/2352 - Likewise, for the 2nd fraction, since 48 × 49 = 2352,
21/48 = 21 × 49/48 × 49 = 1029/2352 - Subtract the two like fractions:
480/2352 - 1029/2352 = 480 - 1029/2352 = -549/2352 - After reducing the fraction, the answer is -183/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98-21/48 20/98-42/48 20/98-21/96 60/98-21/48 20/98-63/48