Subtract 54/50 from 9/21
1st number: 9/21, 2nd number: 1 4/50
9/21 - 54/50 is -114/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
9/21 = 9 × 50/21 × 50 = 450/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
54/50 = 54 × 21/50 × 21 = 1134/1050 - Subtract the two like fractions:
450/1050 - 1134/1050 = 450 - 1134/1050 = -684/1050 - After reducing the fraction, the answer is -114/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21-54/50 9/42-54/50 27/21-54/50 9/63-54/50 45/21-54/50 63/21-54/50