Subtract 49/81 from 10/35
10/35 - 49/81 is -181/567.
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,
10/35 = 10 × 81/35 × 81 = 810/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
49/81 = 49 × 35/81 × 35 = 1715/2835 - Subtract the two like fractions:
810/2835 - 1715/2835 = 810 - 1715/2835 = -905/2835 - After reducing the fraction, the answer is -181/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35-49/81 10/35-98/81 10/70-49/81 30/35-49/81 50/35-49/81 70/35-49/81