Subtract 18/98 from 8/56
8/56 - 18/98 is -2/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
8/56 = 8 × 7/56 × 7 = 56/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
18/98 = 18 × 4/98 × 4 = 72/392 - Subtract the two like fractions:
56/392 - 72/392 = 56 - 72/392 = -16/392 - After reducing the fraction, the answer is -2/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/56-18/98 8/56-36/98 24/56-18/98 8/56-54/98 40/56-18/98 8/56-90/98