Subtract 6/81 from 81/35
1st number: 2 11/35, 2nd number: 6/81
81/35 - 6/81 is 2117/945.
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,
81/35 = 81 × 81/35 × 81 = 6561/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
6/81 = 6 × 35/81 × 35 = 210/2835 - Subtract the two like fractions:
6561/2835 - 210/2835 = 6561 - 210/2835 = 6351/2835 - After reducing the fraction, the answer is 2117/945
- In mixed form: 2227/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35-12/81 81/70-6/81 81/35-18/81 81/35-30/81 81/35-42/81