Subtract 84/25 from 40/12
1st number: 3 4/12, 2nd number: 3 9/25
40/12 - 84/25 is -2/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
40/12 = 40 × 25/12 × 25 = 1000/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
84/25 = 84 × 12/25 × 12 = 1008/300 - Subtract the two like fractions:
1000/300 - 1008/300 = 1000 - 1008/300 = -8/300 - After reducing the fraction, the answer is -2/75
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