Subtract 28/98 from 12/75
12/75 - 28/98 is -22/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 98 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 75 × 98 = 7350,
12/75 = 12 × 98/75 × 98 = 1176/7350 - Likewise, for the 2nd fraction, since 98 × 75 = 7350,
28/98 = 28 × 75/98 × 75 = 2100/7350 - Subtract the two like fractions:
1176/7350 - 2100/7350 = 1176 - 2100/7350 = -924/7350 - After reducing the fraction, the answer is -22/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/75-28/98 12/75-56/98 36/75-28/98 12/75-84/98 60/75-28/98 84/75-28/98