Subtract 7/64 from 14/42
14/42 - 7/64 is 43/192.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 42 × 32 = 1344,
14/42 = 14 × 32/42 × 32 = 448/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
7/64 = 7 × 21/64 × 21 = 147/1344 - Subtract the two like fractions:
448/1344 - 147/1344 = 448 - 147/1344 = 301/1344 - After reducing the fraction, the answer is 43/192
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42-7/64 14/42-14/64 14/84-7/64 14/42-21/64 70/42-7/64 14/42-35/64 98/42-7/64 14/42-49/64