Subtract 90/9 from 81/50
1st number: 1 31/50, 2nd number: 10 0/9
81/50 - 90/9 is -419/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
81/50 = 81 × 9/50 × 9 = 729/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
90/9 = 90 × 50/9 × 50 = 4500/450 - Subtract the two like fractions:
729/450 - 4500/450 = 729 - 4500/450 = -3771/450 - After reducing the fraction, the answer is -419/50
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