Subtract 64/9 from 63/8
1st number: 7 7/8, 2nd number: 7 1/9
63/8 - 64/9 is 55/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
63/8 = 63 × 9/8 × 9 = 567/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
64/9 = 64 × 8/9 × 8 = 512/72 - Subtract the two like fractions:
567/72 - 512/72 = 567 - 512/72 = 55/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16-64/9 63/8-64/18 63/24-64/9 63/8-64/27 63/40-64/9 63/8-64/45 63/56-64/9 63/8-64/63