Subtract 50/81 from 3/35
3/35 - 50/81 is -1507/2835.
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,
3/35 = 3 × 81/35 × 81 = 243/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
50/81 = 50 × 35/81 × 35 = 1750/2835 - Subtract the two like fractions:
243/2835 - 1750/2835 = 243 - 1750/2835 = -1507/2835
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/35-50/81 3/70-50/81 9/35-50/81 15/35-50/81 21/35-50/81