Subtract 14/64 from 21/12, Solve 1 9/12

Subtract 14/64 from 21/12

1^st number: 1 9/12, 2^nd number: 14/64

21/12 - 14/64 is 49/32.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 64 is 192

Next, find the equivalent fraction of both fractional numbers with denominator 192
For the 1st fraction, since 12 × 16 = 192,
21/12 = 21 × 16/12 × 16 = 336/192
Likewise, for the 2nd fraction, since 64 × 3 = 192,
14/64 = 14 × 3/64 × 3 = 42/192
Subtract the two like fractions:
336/192 - 42/192 = 336 - 42/192 = 294/192
After reducing the fraction, the answer is 49/32
In mixed form: 117/32

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