Subtract 1/50 from 9/45
9/45 - 1/50 is 9/50.
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,
9/45 = 9 × 10/45 × 10 = 90/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
1/50 = 1 × 9/50 × 9 = 9/450 - Subtract the two like fractions:
90/450 - 9/450 = 90 - 9/450 = 81/450 - After reducing the fraction, the answer is 9/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-1/50 9/45-2/50 9/90-1/50 27/45-1/50 9/45-3/50 9/45-5/50 63/45-1/50 9/45-7/50