Subtract 18/5 from 8/98
1st number: 8/98, 2nd number: 3 3/5
8/98 - 18/5 is -862/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
8/98 = 8 × 5/98 × 5 = 40/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
18/5 = 18 × 98/5 × 98 = 1764/490 - Subtract the two like fractions:
40/490 - 1764/490 = 40 - 1764/490 = -1724/490 - After reducing the fraction, the answer is -862/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/98-18/5 8/98-36/5 8/98-18/10 24/98-18/5 8/98-54/5 8/98-18/15 40/98-18/5 8/98-90/5 8/98-18/25 56/98-18/5 8/98-18/35