Subtract 5/15 from 18/98
18/98 - 5/15 is -22/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
18/98 = 18 × 15/98 × 15 = 270/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
5/15 = 5 × 98/15 × 98 = 490/1470 - Subtract the two like fractions:
270/1470 - 490/1470 = 270 - 490/1470 = -220/1470 - After reducing the fraction, the answer is -22/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/98-5/15 18/98-10/15 18/98-5/30 54/98-5/15 18/98-5/45 90/98-5/15 18/98-25/15 18/98-5/75 18/98-35/15