Subtract 18/45 from 6/50
6/50 - 18/45 is -7/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
6/50 = 6 × 9/50 × 9 = 54/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
18/45 = 18 × 10/45 × 10 = 180/450 - Subtract the two like fractions:
54/450 - 180/450 = 54 - 180/450 = -126/450 - After reducing the fraction, the answer is -7/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/50-18/45 6/50-36/45 6/50-18/90 18/50-18/45 6/50-54/45 30/50-18/45 6/50-90/45 42/50-18/45