Subtract 9/84 from 36/20, Solve 1 16/20

Subtract 9/84 from 36/20

1^st number: 1 16/20, 2^nd number: 9/84

36/20 - 9/84 is 237/140.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
36/20 = 36 × 21/20 × 21 = 756/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420
Subtract the two like fractions:
756/420 - 45/420 = 756 - 45/420 = 711/420
After reducing the fraction, the answer is 237/140
In mixed form: 197/140

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