Subtract 40/60 from 21/10
1st number: 2 1/10, 2nd number: 40/60
21/10 - 40/60 is 43/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
21/10 = 21 × 6/10 × 6 = 126/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
40/60 = 40 × 1/60 × 1 = 40/60 - Subtract the two like fractions:
126/60 - 40/60 = 126 - 40/60 = 86/60 - After reducing the fraction, the answer is 43/30
- In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10-40/60 21/10-80/60 21/20-40/60 63/10-40/60 21/30-40/60 21/50-40/60 21/70-40/60