Subtract 1/12 from 12/40
12/40 - 1/12 is 13/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
1/12 = 1 × 10/12 × 10 = 10/120 - Subtract the two like fractions:
36/120 - 10/120 = 36 - 10/120 = 26/120 - After reducing the fraction, the answer is 13/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40-1/12 12/40-2/12 12/80-1/12 12/40-1/24 36/40-1/12 12/40-3/12 12/40-1/36 60/40-1/12 12/40-5/12 12/40-1/60 84/40-1/12 12/40-7/12 12/40-1/84