Subtract 45/50 from 56/90
56/90 - 45/50 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
56/90 = 56 × 5/90 × 5 = 280/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
45/50 = 45 × 9/50 × 9 = 405/450 - Subtract the two like fractions:
280/450 - 405/450 = 280 - 405/450 = -125/450 - After reducing the fraction, the answer is -5/18
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