Subtract 4/98 from 18/28
18/28 - 4/98 is 59/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
18/28 = 18 × 7/28 × 7 = 126/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
4/98 = 4 × 2/98 × 2 = 8/196 - Subtract the two like fractions:
126/196 - 8/196 = 126 - 8/196 = 118/196 - After reducing the fraction, the answer is 59/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28-4/98 18/28-8/98 18/56-4/98 54/28-4/98 18/28-12/98 18/84-4/98 90/28-4/98 18/28-20/98 18/28-28/98