Subtract 42/12 from 40/75
1st number: 40/75, 2nd number: 3 6/12
40/75 - 42/12 is -89/30.
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,
40/75 = 40 × 4/75 × 4 = 160/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
42/12 = 42 × 25/12 × 25 = 1050/300 - Subtract the two like fractions:
160/300 - 1050/300 = 160 - 1050/300 = -890/300 - After reducing the fraction, the answer is -89/30
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