Subtract 36/45 from 30/56
30/56 - 36/45 is -37/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
30/56 = 30 × 45/56 × 45 = 1350/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
36/45 = 36 × 56/45 × 56 = 2016/2520 - Subtract the two like fractions:
1350/2520 - 2016/2520 = 1350 - 2016/2520 = -666/2520 - After reducing the fraction, the answer is -37/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56-36/45 30/56-72/45 30/56-36/90 90/56-36/45