Subtract 5/81 from 16/35
16/35 - 5/81 is 1121/2835.
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,
16/35 = 16 × 81/35 × 81 = 1296/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
5/81 = 5 × 35/81 × 35 = 175/2835 - Subtract the two like fractions:
1296/2835 - 175/2835 = 1296 - 175/2835 = 1121/2835
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/35-5/81 16/35-10/81 16/70-5/81 48/35-5/81 16/35-15/81 80/35-5/81 16/35-25/81 16/35-35/81