Subtract 25/72 from 30/2
1st number: 15 0/2, 2nd number: 25/72
30/2 - 25/72 is 1055/72.
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,
30/2 = 30 × 36/2 × 36 = 1080/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
25/72 = 25 × 1/72 × 1 = 25/72 - Subtract the two like fractions:
1080/72 - 25/72 = 1080 - 25/72 = 1055/72 - In mixed form: 1447/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-25/72 30/2-50/72 30/4-25/72 90/2-25/72 30/2-75/72 30/6-25/72 30/10-25/72 30/14-25/72