Subtract 1/35 from 3/81
3/81 - 1/35 is 8/945.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
3/81 = 3 × 35/81 × 35 = 105/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
1/35 = 1 × 81/35 × 81 = 81/2835 - Subtract the two like fractions:
105/2835 - 81/2835 = 105 - 81/2835 = 24/2835 - After reducing the fraction, the answer is 8/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/81-1/35 3/81-2/35 3/81-1/70 9/81-1/35 3/81-3/35 15/81-1/35 3/81-5/35 21/81-1/35 3/81-7/35