Subtract 84/45 from 40/75, Solve 40/75

Subtract 84/45 from 40/75

1^st number: 40/75, 2^nd number: 1 39/45

40/75 - 84/45 is -4/3.

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,
40/75 = 40 × 3/75 × 3 = 120/225
Likewise, for the 2nd fraction, since 45 × 5 = 225,
84/45 = 84 × 5/45 × 5 = 420/225
Subtract the two like fractions:
120/225 - 420/225 = 120 - 420/225 = -300/225
After reducing the fraction, the answer is -4/3

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