Subtract 45/25 from 30/56
1st number: 30/56, 2nd number: 1 20/25
30/56 - 45/25 is -177/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 25 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
30/56 = 30 × 25/56 × 25 = 750/1400 - Likewise, for the 2nd fraction, since 25 × 56 = 1400,
45/25 = 45 × 56/25 × 56 = 2520/1400 - Subtract the two like fractions:
750/1400 - 2520/1400 = 750 - 2520/1400 = -1770/1400 - After reducing the fraction, the answer is -177/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56-45/25 30/56-90/25 30/56-45/50 90/56-45/25 30/56-45/75