Subtract 50/21 from 36/4, Solve 9 0/4

Subtract 50/21 from 36/4

1^st number: 9 0/4, 2^nd number: 2 8/21

36/4 - 50/21 is 139/21.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
36/4 = 36 × 21/4 × 21 = 756/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
50/21 = 50 × 4/21 × 4 = 200/84
Subtract the two like fractions:
756/84 - 200/84 = 756 - 200/84 = 556/84
After reducing the fraction, the answer is 139/21
In mixed form: 613/21

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