Subtract 27/12 from 49/20
1st number: 2 9/20, 2nd number: 2 3/12
49/20 - 27/12 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
49/20 = 49 × 3/20 × 3 = 147/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Subtract the two like fractions:
147/60 - 135/60 = 147 - 135/60 = 12/60 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-27/12 49/20-54/12 49/40-27/12 49/20-27/24 49/20-81/12 49/60-27/12 49/20-27/36 49/20-27/60 49/20-27/84