Subtract 12/42 from 6/60
6/60 - 12/42 is -13/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
6/60 = 6 × 7/60 × 7 = 42/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
12/42 = 12 × 10/42 × 10 = 120/420 - Subtract the two like fractions:
42/420 - 120/420 = 42 - 120/420 = -78/420 - After reducing the fraction, the answer is -13/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60-12/42 6/60-24/42 6/60-12/84 18/60-12/42 6/60-36/42 30/60-12/42 6/60-60/42 42/60-12/42 6/60-84/42