Subtract 12/60 from 1/70
1/70 - 12/60 is -13/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
1/70 = 1 × 6/70 × 6 = 6/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
12/60 = 12 × 7/60 × 7 = 84/420 - Subtract the two like fractions:
6/420 - 84/420 = 6 - 84/420 = -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: 2/70-12/60 1/70-24/60 3/70-12/60 1/70-36/60 5/70-12/60 7/70-12/60 1/70-84/60