Subtract 42/40 from 14/98
1st number: 14/98, 2nd number: 1 2/40
14/98 - 42/40 is -127/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
14/98 = 14 × 20/98 × 20 = 280/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
42/40 = 42 × 49/40 × 49 = 2058/1960 - Subtract the two like fractions:
280/1960 - 2058/1960 = 280 - 2058/1960 = -1778/1960 - After reducing the fraction, the answer is -127/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/98-42/40 14/98-84/40 14/98-42/80 42/98-42/40 70/98-42/40