Subtract 18/63 from 4/98
4/98 - 18/63 is -12/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
4/98 = 4 × 9/98 × 9 = 36/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
18/63 = 18 × 14/63 × 14 = 252/882 - Subtract the two like fractions:
36/882 - 252/882 = 36 - 252/882 = -216/882 - After reducing the fraction, the answer is -12/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/98-18/63 4/98-36/63 12/98-18/63 4/98-54/63 20/98-18/63 4/98-90/63 28/98-18/63