Subtract 9/5 from 50/64, Solve 50/64

Subtract 9/5 from 50/64

1^st number: 50/64, 2^nd number: 1 4/5

50/64 - 9/5 is -163/160.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 5 is 320

Next, find the equivalent fraction of both fractional numbers with denominator 320
For the 1st fraction, since 64 × 5 = 320,
50/64 = 50 × 5/64 × 5 = 250/320
Likewise, for the 2nd fraction, since 5 × 64 = 320,
9/5 = 9 × 64/5 × 64 = 576/320
Subtract the two like fractions:
250/320 - 576/320 = 250 - 576/320 = -326/320
After reducing the fraction, the answer is -163/160

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