Subtract 42/64 from 30/10, Solve 3 0/10

Subtract 42/64 from 30/10

1^st number: 3 0/10, 2^nd number: 42/64

30/10 - 42/64 is 75/32.

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,
30/10 = 30 × 32/10 × 32 = 960/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320
Subtract the two like fractions:
960/320 - 210/320 = 960 - 210/320 = 750/320
After reducing the fraction, the answer is 75/32
In mixed form: 211/32

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