Subtract 2/8 from 20/98
20/98 - 2/8 is -9/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
20/98 = 20 × 4/98 × 4 = 80/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
2/8 = 2 × 49/8 × 49 = 98/392 - Subtract the two like fractions:
80/392 - 98/392 = 80 - 98/392 = -18/392 - After reducing the fraction, the answer is -9/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98-2/8 20/98-4/8 20/98-2/16 60/98-2/8 20/98-6/8 20/98-2/24 20/98-10/8 20/98-2/40 20/98-14/8 20/98-2/56