Subtract 90/18 from 84/25
1st number: 3 9/25, 2nd number: 5 0/18
84/25 - 90/18 is -41/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
84/25 = 84 × 18/25 × 18 = 1512/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Subtract the two like fractions:
1512/450 - 2250/450 = 1512 - 2250/450 = -738/450 - After reducing the fraction, the answer is -41/25
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