Subtract 72/9 from 60/8
1st number: 7 4/8, 2nd number: 8 0/9
60/8 - 72/9 is -1/2.
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,
60/8 = 60 × 9/8 × 9 = 540/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
72/9 = 72 × 8/9 × 8 = 576/72 - Subtract the two like fractions:
540/72 - 576/72 = 540 - 576/72 = -36/72 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16-72/9 60/8-72/18 60/24-72/9 60/8-72/27 60/40-72/9 60/8-72/45 60/56-72/9 60/8-72/63