Subtract 12/30 from 5/98
5/98 - 12/30 is -171/490.
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,
5/98 = 5 × 15/98 × 15 = 75/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
12/30 = 12 × 49/30 × 49 = 588/1470 - Subtract the two like fractions:
75/1470 - 588/1470 = 75 - 588/1470 = -513/1470 - After reducing the fraction, the answer is -171/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/98-12/30 5/98-24/30 5/98-12/60 15/98-12/30 5/98-36/30 5/98-12/90 25/98-12/30 5/98-60/30 35/98-12/30 5/98-84/30