Subtract 75/10 from 10/98
1st number: 10/98, 2nd number: 7 5/10
10/98 - 75/10 is -725/98.
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,
10/98 = 10 × 5/98 × 5 = 50/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
75/10 = 75 × 49/10 × 49 = 3675/490 - Subtract the two like fractions:
50/490 - 3675/490 = 50 - 3675/490 = -3625/490 - After reducing the fraction, the answer is -725/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/98-75/10 10/98-75/20 30/98-75/10 10/98-75/30 50/98-75/10 10/98-75/50 70/98-75/10 10/98-75/70