Subtract 70/9 from 50/64
1st number: 50/64, 2nd number: 7 7/9
50/64 - 70/9 is -2015/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
50/64 = 50 × 9/64 × 9 = 450/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
70/9 = 70 × 64/9 × 64 = 4480/576 - Subtract the two like fractions:
450/576 - 4480/576 = 450 - 4480/576 = -4030/576 - After reducing the fraction, the answer is -2015/288
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/64-70/18 50/64-70/27 50/64-70/45 50/64-70/63