Subtract 98/8 from 21/50
1st number: 21/50, 2nd number: 12 2/8
21/50 - 98/8 is -1183/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
98/8 = 98 × 25/8 × 25 = 2450/200 - Subtract the two like fractions:
84/200 - 2450/200 = 84 - 2450/200 = -2366/200 - After reducing the fraction, the answer is -1183/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50-98/8 21/50-98/16 63/50-98/8 21/50-98/24 21/50-98/40 21/50-98/56