Subtract 54/90 from 9/50
9/50 - 54/90 is -21/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
9/50 = 9 × 9/50 × 9 = 81/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
54/90 = 54 × 5/90 × 5 = 270/450 - Subtract the two like fractions:
81/450 - 270/450 = 81 - 270/450 = -189/450 - After reducing the fraction, the answer is -21/50
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