Subtract 6/50 from 20/45
20/45 - 6/50 is 73/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
20/45 = 20 × 10/45 × 10 = 200/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
6/50 = 6 × 9/50 × 9 = 54/450 - Subtract the two like fractions:
200/450 - 54/450 = 200 - 54/450 = 146/450 - After reducing the fraction, the answer is 73/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45-6/50 20/45-12/50 20/90-6/50 60/45-6/50 20/45-18/50 20/45-30/50 20/45-42/50