Subtract 42/8 from 60/9
1st number: 6 6/9, 2nd number: 5 2/8
60/9 - 42/8 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
60/9 = 60 × 8/9 × 8 = 480/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Subtract the two like fractions:
480/72 - 378/72 = 480 - 378/72 = 102/72 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-84/8 60/18-42/8 60/9-42/16 60/27-42/8 60/9-42/24 60/45-42/8 60/9-42/40 60/63-42/8 60/9-42/56