Subtract 84/12 from 70/75
1st number: 70/75, 2nd number: 7 0/12
70/75 - 84/12 is -91/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
84/12 = 84 × 25/12 × 25 = 2100/300 - Subtract the two like fractions:
280/300 - 2100/300 = 280 - 2100/300 = -1820/300 - After reducing the fraction, the answer is -91/15
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