Subtract 18/12 from 45/75
1st number: 45/75, 2nd number: 1 6/12
45/75 - 18/12 is -9/10.
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,
45/75 = 45 × 4/75 × 4 = 180/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
18/12 = 18 × 25/12 × 25 = 450/300 - Subtract the two like fractions:
180/300 - 450/300 = 180 - 450/300 = -270/300 - After reducing the fraction, the answer is -9/10
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