Subtract 42/60 from 6/9
6/9 - 42/60 is -1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
6/9 = 6 × 20/9 × 20 = 120/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180 - Subtract the two like fractions:
120/180 - 126/180 = 120 - 126/180 = -6/180 - After reducing the fraction, the answer is -1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-42/60 6/9-84/60 6/18-42/60 18/9-42/60 6/27-42/60 30/9-42/60 6/45-42/60 42/9-42/60 6/63-42/60