Subtract 70/18 from 8/98
1st number: 8/98, 2nd number: 3 16/18
8/98 - 70/18 is -1679/441.
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,
8/98 = 8 × 9/98 × 9 = 72/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
70/18 = 70 × 49/18 × 49 = 3430/882 - Subtract the two like fractions:
72/882 - 3430/882 = 72 - 3430/882 = -3358/882 - After reducing the fraction, the answer is -1679/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/98-70/18 8/98-70/36 24/98-70/18 8/98-70/54 40/98-70/18 8/98-70/90 56/98-70/18