Subtract 30/50 from 14/72
14/72 - 30/50 is -73/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
14/72 = 14 × 25/72 × 25 = 350/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
30/50 = 30 × 36/50 × 36 = 1080/1800 - Subtract the two like fractions:
350/1800 - 1080/1800 = 350 - 1080/1800 = -730/1800 - After reducing the fraction, the answer is -73/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/72-30/50 14/72-60/50 42/72-30/50 14/72-90/50 70/72-30/50 98/72-30/50