Subtract 5/10 from 45/98
45/98 - 5/10 is -2/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
45/98 = 45 × 5/98 × 5 = 225/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
5/10 = 5 × 49/10 × 49 = 245/490 - Subtract the two like fractions:
225/490 - 245/490 = 225 - 245/490 = -20/490 - After reducing the fraction, the answer is -2/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98-5/10 45/98-5/20 45/98-15/10 45/98-5/30 45/98-25/10 45/98-5/50 45/98-35/10 45/98-5/70