Subtract 50/4 from 21/9
1st number: 2 3/9, 2nd number: 12 2/4
21/9 - 50/4 is -61/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
50/4 = 50 × 9/4 × 9 = 450/36 - Subtract the two like fractions:
84/36 - 450/36 = 84 - 450/36 = -366/36 - After reducing the fraction, the answer is -61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9-50/4 21/18-50/4 21/9-50/8 63/9-50/4 21/27-50/4 21/9-50/12 21/45-50/4 21/9-50/20 21/63-50/4 21/9-50/28