Subtract 3/72 from 50/18
1st number: 2 14/18, 2nd number: 3/72
50/18 - 3/72 is 197/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
50/18 = 50 × 4/18 × 4 = 200/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72 - Subtract the two like fractions:
200/72 - 3/72 = 200 - 3/72 = 197/72 - In mixed form: 253/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-6/72 50/36-3/72 50/18-9/72 50/54-3/72 50/18-15/72 50/90-3/72 50/18-21/72