Subtract 15/10 from 9/64
1st number: 9/64, 2nd number: 1 5/10
9/64 - 15/10 is -87/64.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 10 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
9/64 = 9 × 5/64 × 5 = 45/320 - Likewise, for the 2nd fraction, since 10 × 32 = 320,
15/10 = 15 × 32/10 × 32 = 480/320 - Subtract the two like fractions:
45/320 - 480/320 = 45 - 480/320 = -435/320 - After reducing the fraction, the answer is -87/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/64-15/10 9/64-30/10 9/64-15/20 27/64-15/10 9/64-45/10 9/64-15/30 45/64-15/10 9/64-75/10 9/64-15/50 63/64-15/10 9/64-15/70