Subtract 2/72 from 7/24
7/24 - 2/72 is 19/72.
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,
7/24 = 7 × 3/24 × 3 = 21/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Subtract the two like fractions:
21/72 - 2/72 = 21 - 2/72 = 19/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24-2/72 7/24-4/72 7/48-2/72 21/24-2/72 7/24-6/72 7/72-2/72 35/24-2/72 7/24-10/72 49/24-2/72 7/24-14/72