Subtract 20/45 from 1/50
1/50 - 20/45 is -191/450.
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,
1/50 = 1 × 9/50 × 9 = 9/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
20/45 = 20 × 10/45 × 10 = 200/450 - Subtract the two like fractions:
9/450 - 200/450 = 9 - 200/450 = -191/450
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