Subtract 50/56 from 36/45
36/45 - 50/56 is -13/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
36/45 = 36 × 56/45 × 56 = 2016/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
50/56 = 50 × 45/56 × 45 = 2250/2520 - Subtract the two like fractions:
2016/2520 - 2250/2520 = 2016 - 2250/2520 = -234/2520 - After reducing the fraction, the answer is -13/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45-50/56 36/90-50/56