Subtract 30/64 from 7/12
7/12 - 30/64 is 11/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 12 × 16 = 192,
7/12 = 7 × 16/12 × 16 = 112/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
30/64 = 30 × 3/64 × 3 = 90/192 - Subtract the two like fractions:
112/192 - 90/192 = 112 - 90/192 = 22/192 - After reducing the fraction, the answer is 11/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-30/64 7/12-60/64 7/24-30/64 21/12-30/64 7/12-90/64 7/36-30/64 35/12-30/64 7/60-30/64 49/12-30/64 7/84-30/64