Subtract 21/5 from 10/6
1st number: 1 4/6, 2nd number: 4 1/5
10/6 - 21/5 is -38/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
10/6 = 10 × 5/6 × 5 = 50/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Subtract the two like fractions:
50/30 - 126/30 = 50 - 126/30 = -76/30 - After reducing the fraction, the answer is -38/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/6-21/5 10/6-42/5 10/12-21/5 10/6-21/10 30/6-21/5 10/6-63/5 10/18-21/5 10/6-21/15 50/6-21/5 10/30-21/5 10/6-21/25 70/6-21/5 10/42-21/5 10/6-21/35