Subtract 81/12 from 63/50
1st number: 1 13/50, 2nd number: 6 9/12
63/50 - 81/12 is -549/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
63/50 = 63 × 6/50 × 6 = 378/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
81/12 = 81 × 25/12 × 25 = 2025/300 - Subtract the two like fractions:
378/300 - 2025/300 = 378 - 2025/300 = -1647/300 - After reducing the fraction, the answer is -549/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/50-81/24 63/50-81/36 63/50-81/60 63/50-81/84