Subtract 90/18 from 8/2
1st number: 4 0/2, 2nd number: 5 0/18
8/2 - 90/18 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
8/2 = 8 × 9/2 × 9 = 72/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
90/18 = 90 × 1/18 × 1 = 90/18 - Subtract the two like fractions:
72/18 - 90/18 = 72 - 90/18 = -18/18 - After reducing the fraction, the answer is -1/1
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