Subtract 3/5 from 27/20
1st number: 1 7/20, 2nd number: 3/5
27/20 - 3/5 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
27/20 = 27 × 1/20 × 1 = 27/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
3/5 = 3 × 4/5 × 4 = 12/20 - Subtract the two like fractions:
27/20 - 12/20 = 27 - 12/20 = 15/20 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-3/5 27/20-6/5 27/40-3/5 27/20-3/10 81/20-3/5 27/20-9/5 27/60-3/5 27/20-3/15 27/20-15/5 27/20-3/25 27/20-21/5 27/20-3/35