Subtract 30/45 from 8/25
8/25 - 30/45 is -26/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
8/25 = 8 × 9/25 × 9 = 72/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
30/45 = 30 × 5/45 × 5 = 150/225 - Subtract the two like fractions:
72/225 - 150/225 = 72 - 150/225 = -78/225 - After reducing the fraction, the answer is -26/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-30/45 8/25-60/45 8/50-30/45 8/25-30/90 24/25-30/45 8/25-90/45 8/75-30/45 40/25-30/45 56/25-30/45