Subtract 42/45 from 36/75
36/75 - 42/45 is -34/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
36/75 = 36 × 3/75 × 3 = 108/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
42/45 = 42 × 5/45 × 5 = 210/225 - Subtract the two like fractions:
108/225 - 210/225 = 108 - 210/225 = -102/225 - After reducing the fraction, the answer is -34/75
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