Subtract 1/81 from 35/45
35/45 - 1/81 is 62/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
35/45 = 35 × 9/45 × 9 = 315/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
1/81 = 1 × 5/81 × 5 = 5/405 - Subtract the two like fractions:
315/405 - 5/405 = 315 - 5/405 = 310/405 - After reducing the fraction, the answer is 62/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-1/81 35/45-2/81 35/90-1/81 35/45-3/81 35/45-5/81 35/45-7/81