Subtract 8/50 from 21/9
1st number: 2 3/9, 2nd number: 8/50
21/9 - 8/50 is 163/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
21/9 = 21 × 50/9 × 50 = 1050/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
8/50 = 8 × 9/50 × 9 = 72/450 - Subtract the two like fractions:
1050/450 - 72/450 = 1050 - 72/450 = 978/450 - After reducing the fraction, the answer is 163/75
- In mixed form: 213/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9-8/50 21/9-16/50 21/18-8/50 63/9-8/50 21/9-24/50 21/27-8/50 21/9-40/50 21/45-8/50 21/9-56/50 21/63-8/50