Subtract 8/7 from 12/60
1st number: 12/60, 2nd number: 1 1/7
12/60 - 8/7 is -33/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
12/60 = 12 × 7/60 × 7 = 84/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
8/7 = 8 × 60/7 × 60 = 480/420 - Subtract the two like fractions:
84/420 - 480/420 = 84 - 480/420 = -396/420 - After reducing the fraction, the answer is -33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60-8/7 12/60-16/7 12/60-8/14 36/60-8/7 12/60-24/7 12/60-8/21 12/60-40/7 12/60-8/35 84/60-8/7 12/60-56/7 12/60-8/49