Subtract 3/64 from 15/10, Solve 1 5/10

Subtract 3/64 from 15/10

1^st number: 1 5/10, 2^nd number: 3/64

15/10 - 3/64 is 93/64.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 64 is 320

Next, find the equivalent fraction of both fractional numbers with denominator 320
For the 1st fraction, since 10 × 32 = 320,
15/10 = 15 × 32/10 × 32 = 480/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
3/64 = 3 × 5/64 × 5 = 15/320
Subtract the two like fractions:
480/320 - 15/320 = 480 - 15/320 = 465/320
After reducing the fraction, the answer is 93/64
In mixed form: 129/64

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