Subtract 12/56 from 12/40
12/40 - 12/56 is 3/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Subtract the two like fractions:
84/280 - 60/280 = 84 - 60/280 = 24/280 - After reducing the fraction, the answer is 3/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40-12/56 12/40-24/56 12/80-12/56 36/40-12/56 12/40-36/56 60/40-12/56 12/40-60/56 84/40-12/56 12/40-84/56