Subtract 21/9 from 8/50
1st number: 8/50, 2nd number: 2 3/9
8/50 - 21/9 is -163/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
8/50 = 8 × 9/50 × 9 = 72/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
21/9 = 21 × 50/9 × 50 = 1050/450 - Subtract the two like fractions:
72/450 - 1050/450 = 72 - 1050/450 = -978/450 - After reducing the fraction, the answer is -163/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/50-21/9 8/50-42/9 8/50-21/18 24/50-21/9 8/50-63/9 8/50-21/27 40/50-21/9 8/50-21/45 56/50-21/9 8/50-21/63