Subtract 1/72 from 30/24
1st number: 1 6/24, 2nd number: 1/72
30/24 - 1/72 is 89/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
30/24 = 30 × 3/24 × 3 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Subtract the two like fractions:
90/72 - 1/72 = 90 - 1/72 = 89/72 - In mixed form: 117/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24-1/72 30/24-2/72 30/48-1/72 90/24-1/72 30/24-3/72 30/72-1/72 30/24-5/72 30/24-7/72