Subtract 3/81 from 27/35
27/35 - 3/81 is 694/945.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
27/35 = 27 × 81/35 × 81 = 2187/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
3/81 = 3 × 35/81 × 35 = 105/2835 - Subtract the two like fractions:
2187/2835 - 105/2835 = 2187 - 105/2835 = 2082/2835 - After reducing the fraction, the answer is 694/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/35-3/81 27/35-6/81 27/70-3/81 81/35-3/81 27/35-9/81 27/35-15/81 27/35-21/81