Subtract 1/12 from 25/70
25/70 - 1/12 is 23/84.
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,
25/70 = 25 × 6/70 × 6 = 150/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
1/12 = 1 × 35/12 × 35 = 35/420 - Subtract the two like fractions:
150/420 - 35/420 = 150 - 35/420 = 115/420 - After reducing the fraction, the answer is 23/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-1/12 25/70-2/12 25/70-1/24 75/70-1/12 25/70-3/12 25/70-1/36 25/70-5/12 25/70-1/60 25/70-7/12 25/70-1/84