Subtract 30/48 from 8/9
8/9 - 30/48 is 19/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
8/9 = 8 × 16/9 × 16 = 128/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
30/48 = 30 × 3/48 × 3 = 90/144 - Subtract the two like fractions:
128/144 - 90/144 = 128 - 90/144 = 38/144 - After reducing the fraction, the answer is 19/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9-30/48 8/9-60/48 8/18-30/48 8/9-30/96 24/9-30/48 8/9-90/48 8/27-30/48 40/9-30/48 8/45-30/48 56/9-30/48 8/63-30/48