Subtract 2/64 from 12/42
12/42 - 2/64 is 57/224.
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,
12/42 = 12 × 32/42 × 32 = 384/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
2/64 = 2 × 21/64 × 21 = 42/1344 - Subtract the two like fractions:
384/1344 - 42/1344 = 384 - 42/1344 = 342/1344 - After reducing the fraction, the answer is 57/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42-2/64 12/42-4/64 12/84-2/64 36/42-2/64 12/42-6/64 60/42-2/64 12/42-10/64 84/42-2/64 12/42-14/64