Subtract 14/64 from 49/21, Solve 2 7/21

Subtract 14/64 from 49/21

1^st number: 2 7/21, 2^nd number: 14/64

49/21 - 14/64 is 203/96.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344

Next, find the equivalent fraction of both fractional numbers with denominator 1344
For the 1st fraction, since 21 × 64 = 1344,
49/21 = 49 × 64/21 × 64 = 3136/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
14/64 = 14 × 21/64 × 21 = 294/1344
Subtract the two like fractions:
3136/1344 - 294/1344 = 3136 - 294/1344 = 2842/1344
After reducing the fraction, the answer is 203/96
In mixed form: 211/96

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