Subtract 3/72 from 5/50
5/50 - 3/72 is 7/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
5/50 = 5 × 36/50 × 36 = 180/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
3/72 = 3 × 25/72 × 25 = 75/1800 - Subtract the two like fractions:
180/1800 - 75/1800 = 180 - 75/1800 = 105/1800 - After reducing the fraction, the answer is 7/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/50-3/72 5/50-6/72 15/50-3/72 5/50-9/72 25/50-3/72 5/50-15/72 35/50-3/72 5/50-21/72