Subtract 2/4 from 40/98
40/98 - 2/4 is -9/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
40/98 = 40 × 2/98 × 2 = 80/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
2/4 = 2 × 49/4 × 49 = 98/196 - Subtract the two like fractions:
80/196 - 98/196 = 80 - 98/196 = -18/196 - After reducing the fraction, the answer is -9/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98-2/4 40/98-2/8 40/98-6/4 40/98-2/12 40/98-10/4 40/98-2/20 40/98-14/4 40/98-2/28