Subtract 2/72 from 30/48
30/48 - 2/72 is 43/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
30/48 = 30 × 3/48 × 3 = 90/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
2/72 = 2 × 2/72 × 2 = 4/144 - Subtract the two like fractions:
90/144 - 4/144 = 90 - 4/144 = 86/144 - After reducing the fraction, the answer is 43/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48-2/72 30/48-4/72 30/96-2/72 90/48-2/72 30/48-6/72 30/48-10/72 30/48-14/72