Subtract 50/72 from 16/54
16/54 - 50/72 is -43/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
16/54 = 16 × 4/54 × 4 = 64/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
50/72 = 50 × 3/72 × 3 = 150/216 - Subtract the two like fractions:
64/216 - 150/216 = 64 - 150/216 = -86/216 - After reducing the fraction, the answer is -43/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/54-50/72 48/54-50/72 80/54-50/72