Subtract 25/45 from 6/30
6/30 - 25/45 is -16/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
6/30 = 6 × 3/30 × 3 = 18/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Subtract the two like fractions:
18/90 - 50/90 = 18 - 50/90 = -32/90 - After reducing the fraction, the answer is -16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-25/45 6/30-50/45 6/60-25/45 6/30-25/90 18/30-25/45 6/30-75/45 6/90-25/45 42/30-25/45