Subtract 2/9 from 8/64
8/64 - 2/9 is -7/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
8/64 = 8 × 9/64 × 9 = 72/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
2/9 = 2 × 64/9 × 64 = 128/576 - Subtract the two like fractions:
72/576 - 128/576 = 72 - 128/576 = -56/576 - After reducing the fraction, the answer is -7/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/64-2/9 8/64-4/9 8/64-2/18 24/64-2/9 8/64-6/9 8/64-2/27 40/64-2/9 8/64-10/9 8/64-2/45 56/64-2/9 8/64-14/9 8/64-2/63