Subtract 30/64 from 7/2, Solve 3 1/2

Subtract 30/64 from 7/2

1^st number: 3 1/2, 2^nd number: 30/64

7/2 - 30/64 is 97/32.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 64 is 64

Next, find the equivalent fraction of both fractional numbers with denominator 64
For the 1st fraction, since 2 × 32 = 64,
7/2 = 7 × 32/2 × 32 = 224/64
Likewise, for the 2nd fraction, since 64 × 1 = 64,
30/64 = 30 × 1/64 × 1 = 30/64
Subtract the two like fractions:
224/64 - 30/64 = 224 - 30/64 = 194/64
After reducing the fraction, the answer is 97/32
In mixed form: 31/32

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