Subtract 10/18 from 40/98
40/98 - 10/18 is -65/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
40/98 = 40 × 9/98 × 9 = 360/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
10/18 = 10 × 49/18 × 49 = 490/882 - Subtract the two like fractions:
360/882 - 490/882 = 360 - 490/882 = -130/882 - After reducing the fraction, the answer is -65/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98-10/18 40/98-20/18 40/98-10/36 40/98-30/18 40/98-10/54 40/98-50/18 40/98-10/90 40/98-70/18