Subtract 49/72 from 60/18
1st number: 3 6/18, 2nd number: 49/72
60/18 - 49/72 is 191/72.
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,
60/18 = 60 × 4/18 × 4 = 240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
49/72 = 49 × 1/72 × 1 = 49/72 - Subtract the two like fractions:
240/72 - 49/72 = 240 - 49/72 = 191/72 - In mixed form: 247/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-98/72 60/36-49/72 60/54-49/72 60/90-49/72