Subtract 12/81 from 48/56
48/56 - 12/81 is 134/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
48/56 = 48 × 81/56 × 81 = 3888/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
12/81 = 12 × 56/81 × 56 = 672/4536 - Subtract the two like fractions:
3888/4536 - 672/4536 = 3888 - 672/4536 = 3216/4536 - After reducing the fraction, the answer is 134/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/56-12/81 48/56-24/81 48/56-36/81 48/56-60/81 48/56-84/81