Subtract 21/75 from 36/10, Solve 3 6/10

Subtract 21/75 from 36/10

1^st number: 3 6/10, 2^nd number: 21/75

36/10 - 21/75 is 83/25.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 10 × 15 = 150,
36/10 = 36 × 15/10 × 15 = 540/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150
Subtract the two like fractions:
540/150 - 42/150 = 540 - 42/150 = 498/150
After reducing the fraction, the answer is 83/25
In mixed form: 38/25

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