Subtract 48/9 from 27/20
1st number: 1 7/20, 2nd number: 5 3/9
27/20 - 48/9 is -239/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
27/20 = 27 × 9/20 × 9 = 243/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
48/9 = 48 × 20/9 × 20 = 960/180 - Subtract the two like fractions:
243/180 - 960/180 = 243 - 960/180 = -717/180 - After reducing the fraction, the answer is -239/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-48/9 27/20-96/9 27/40-48/9 27/20-48/18 81/20-48/9 27/60-48/9 27/20-48/27 27/20-48/45 27/20-48/63