Subtract 9/64 from 40/10, Solve 4 0/10

Subtract 9/64 from 40/10

1^st number: 4 0/10, 2^nd number: 9/64

40/10 - 9/64 is 247/64.

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,
40/10 = 40 × 32/10 × 32 = 1280/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
9/64 = 9 × 5/64 × 5 = 45/320
Subtract the two like fractions:
1280/320 - 45/320 = 1280 - 45/320 = 1235/320
After reducing the fraction, the answer is 247/64
In mixed form: 355/64

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