Subtract 27/10 from 36/20
1st number: 1 16/20, 2nd number: 2 7/10
36/20 - 27/10 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
36/20 = 36 × 1/20 × 1 = 36/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
27/10 = 27 × 2/10 × 2 = 54/20 - Subtract the two like fractions:
36/20 - 54/20 = 36 - 54/20 = -18/20 - After reducing the fraction, the answer is -9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20-27/10 36/20-54/10 36/40-27/10 36/20-27/20 36/20-81/10 36/60-27/10 36/20-27/30 36/20-27/50 36/20-27/70