Subtract 45/98 from 18/35
18/35 - 45/98 is 27/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 35 × 14 = 490,
18/35 = 18 × 14/35 × 14 = 252/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
45/98 = 45 × 5/98 × 5 = 225/490 - Subtract the two like fractions:
252/490 - 225/490 = 252 - 225/490 = 27/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-45/98 18/35-90/98 18/70-45/98 54/35-45/98 90/35-45/98