Subtract 2/42 from 4/98
4/98 - 2/42 is -1/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
4/98 = 4 × 3/98 × 3 = 12/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
2/42 = 2 × 7/42 × 7 = 14/294 - Subtract the two like fractions:
12/294 - 14/294 = 12 - 14/294 = -2/294 - After reducing the fraction, the answer is -1/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/98-2/42 4/98-4/42 4/98-2/84 12/98-2/42 4/98-6/42 20/98-2/42 4/98-10/42 28/98-2/42 4/98-14/42