Subtract 12/84 from 30/16, Solve 1 14/16

Subtract 12/84 from 30/16

1^st number: 1 14/16, 2^nd number: 12/84

30/16 - 12/84 is 97/56.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
30/16 = 30 × 21/16 × 21 = 630/336
Likewise, for the 2nd fraction, since 84 × 4 = 336,
12/84 = 12 × 4/84 × 4 = 48/336
Subtract the two like fractions:
630/336 - 48/336 = 630 - 48/336 = 582/336
After reducing the fraction, the answer is 97/56
In mixed form: 141/56

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