Subtract 20/10 from 27/6
1st number: 4 3/6, 2nd number: 2 0/10
27/6 - 20/10 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
27/6 = 27 × 5/6 × 5 = 135/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
20/10 = 20 × 3/10 × 3 = 60/30 - Subtract the two like fractions:
135/30 - 60/30 = 135 - 60/30 = 75/30 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-20/10 27/6-40/10 27/12-20/10 81/6-20/10 27/6-60/10 27/18-20/10 27/6-20/30 27/30-20/10 27/6-20/50 27/42-20/10 27/6-20/70