Subtract 81/4 from 49/50
1st number: 49/50, 2nd number: 20 1/4
49/50 - 81/4 is -1927/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
49/50 = 49 × 2/50 × 2 = 98/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
81/4 = 81 × 25/4 × 25 = 2025/100 - Subtract the two like fractions:
98/100 - 2025/100 = 98 - 2025/100 = -1927/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/50-81/4 49/50-81/8 49/50-81/12 49/50-81/20 49/50-81/28