Subtract 54/64 from 18/10, Solve 1 8/10

Subtract 54/64 from 18/10

1^st number: 1 8/10, 2^nd number: 54/64

18/10 - 54/64 is 153/160.

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,
18/10 = 18 × 32/10 × 32 = 576/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
54/64 = 54 × 5/64 × 5 = 270/320
Subtract the two like fractions:
576/320 - 270/320 = 576 - 270/320 = 306/320
After reducing the fraction, the answer is 153/160

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