Subtract 81/36 from 3/50
1st number: 3/50, 2nd number: 2 9/36
3/50 - 81/36 is -219/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 50 × 18 = 900,
3/50 = 3 × 18/50 × 18 = 54/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
81/36 = 81 × 25/36 × 25 = 2025/900 - Subtract the two like fractions:
54/900 - 2025/900 = 54 - 2025/900 = -1971/900 - After reducing the fraction, the answer is -219/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/50-81/36 3/50-81/72 9/50-81/36 15/50-81/36 21/50-81/36