Subtract 7/64 from 8/70
8/70 - 7/64 is 11/2240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
8/70 = 8 × 32/70 × 32 = 256/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
7/64 = 7 × 35/64 × 35 = 245/2240 - Subtract the two like fractions:
256/2240 - 245/2240 = 256 - 245/2240 = 11/2240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-7/64 8/70-14/64 24/70-7/64 8/70-21/64 40/70-7/64 8/70-35/64 56/70-7/64 8/70-49/64