Subtract 42/9 from 60/18
1st number: 3 6/18, 2nd number: 4 6/9
60/18 - 42/9 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
60/18 = 60 × 1/18 × 1 = 60/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
42/9 = 42 × 2/9 × 2 = 84/18 - Subtract the two like fractions:
60/18 - 84/18 = 60 - 84/18 = -24/18 - After reducing the fraction, the answer is -4/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-84/9 60/36-42/9 60/18-42/18 60/54-42/9 60/18-42/27 60/90-42/9 60/18-42/45 60/18-42/63