Subtract 3/5 from 27/40
27/40 - 3/5 is 3/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
27/40 = 27 × 1/40 × 1 = 27/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
3/5 = 3 × 8/5 × 8 = 24/40 - Subtract the two like fractions:
27/40 - 24/40 = 27 - 24/40 = 3/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40-3/5 27/40-6/5 27/80-3/5 27/40-3/10 81/40-3/5 27/40-9/5 27/40-3/15 27/40-15/5 27/40-3/25 27/40-21/5 27/40-3/35