Subtract 54/21 from 16/50
1st number: 16/50, 2nd number: 2 12/21
16/50 - 54/21 is -394/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
16/50 = 16 × 21/50 × 21 = 336/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
54/21 = 54 × 50/21 × 50 = 2700/1050 - Subtract the two like fractions:
336/1050 - 2700/1050 = 336 - 2700/1050 = -2364/1050 - After reducing the fraction, the answer is -394/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/50-54/21 16/50-54/42 48/50-54/21 16/50-54/63 80/50-54/21