Subtract 50/10 from 10/21
1st number: 10/21, 2nd number: 5 0/10
10/21 - 50/10 is -95/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
10/21 = 10 × 10/21 × 10 = 100/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
50/10 = 50 × 21/10 × 21 = 1050/210 - Subtract the two like fractions:
100/210 - 1050/210 = 100 - 1050/210 = -950/210 - After reducing the fraction, the answer is -95/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21-50/10 10/42-50/10 10/21-50/20 30/21-50/10 10/63-50/10 10/21-50/30 50/21-50/10 70/21-50/10 10/21-50/70