Subtract 40/30 from 25/98
1st number: 25/98, 2nd number: 1 10/30
25/98 - 40/30 is -317/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
25/98 = 25 × 15/98 × 15 = 375/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
40/30 = 40 × 49/30 × 49 = 1960/1470 - Subtract the two like fractions:
375/1470 - 1960/1470 = 375 - 1960/1470 = -1585/1470 - After reducing the fraction, the answer is -317/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/98-40/30 25/98-80/30 25/98-40/60 75/98-40/30 25/98-40/90