Subtract 9/50 from 2/72
2/72 - 9/50 is -137/900.
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,
2/72 = 2 × 25/72 × 25 = 50/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
9/50 = 9 × 36/50 × 36 = 324/1800 - Subtract the two like fractions:
50/1800 - 324/1800 = 50 - 324/1800 = -274/1800 - After reducing the fraction, the answer is -137/900
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72-9/50 2/72-18/50 6/72-9/50 2/72-27/50 10/72-9/50 2/72-45/50 14/72-9/50 2/72-63/50