Subtract 4/70 from 8/64
8/64 - 4/70 is 19/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 70 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 64 × 35 = 2240,
8/64 = 8 × 35/64 × 35 = 280/2240 - Likewise, for the 2nd fraction, since 70 × 32 = 2240,
4/70 = 4 × 32/70 × 32 = 128/2240 - Subtract the two like fractions:
280/2240 - 128/2240 = 280 - 128/2240 = 152/2240 - After reducing the fraction, the answer is 19/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/64-4/70 8/64-8/70 24/64-4/70 8/64-12/70 40/64-4/70 8/64-20/70 56/64-4/70 8/64-28/70