Subtract 14/8 from 7/98
1st number: 7/98, 2nd number: 1 6/8
7/98 - 14/8 is -47/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
7/98 = 7 × 4/98 × 4 = 28/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
14/8 = 14 × 49/8 × 49 = 686/392 - Subtract the two like fractions:
28/392 - 686/392 = 28 - 686/392 = -658/392 - After reducing the fraction, the answer is -47/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98-14/8 7/98-28/8 7/98-14/16 21/98-14/8 7/98-42/8 7/98-14/24 35/98-14/8 7/98-70/8 7/98-14/40 49/98-14/8 7/98-98/8 7/98-14/56