Subtract 1/72 from 7/2
1st number: 3 1/2, 2nd number: 1/72
7/2 - 1/72 is 251/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
7/2 = 7 × 36/2 × 36 = 252/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Subtract the two like fractions:
252/72 - 1/72 = 252 - 1/72 = 251/72 - In mixed form: 335/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-1/72 7/2-2/72 7/4-1/72 21/2-1/72 7/2-3/72 7/6-1/72 35/2-1/72 7/2-5/72 7/10-1/72 49/2-1/72 7/2-7/72 7/14-1/72