Subtract 64/6 from 21/5
1st number: 4 1/5, 2nd number: 10 4/6
21/5 - 64/6 is -97/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
64/6 = 64 × 5/6 × 5 = 320/30 - Subtract the two like fractions:
126/30 - 320/30 = 126 - 320/30 = -194/30 - After reducing the fraction, the answer is -97/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5-64/6 21/10-64/6 21/5-64/12 63/5-64/6 21/15-64/6 21/5-64/18 21/25-64/6 21/5-64/30 21/35-64/6 21/5-64/42