Subtract 1/12 from 2/70
2/70 - 1/12 is -23/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
2/70 = 2 × 6/70 × 6 = 12/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
1/12 = 1 × 35/12 × 35 = 35/420 - Subtract the two like fractions:
12/420 - 35/420 = 12 - 35/420 = -23/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-1/12 2/70-2/12 2/70-1/24 6/70-1/12 2/70-3/12 2/70-1/36 10/70-1/12 2/70-5/12 2/70-1/60 14/70-1/12 2/70-7/12 2/70-1/84