Subtract 4/64 from 30/7, Solve 4 2/7

Subtract 4/64 from 30/7

1^st number: 4 2/7, 2^nd number: 4/64

30/7 - 4/64 is 473/112.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448

Next, find the equivalent fraction of both fractional numbers with denominator 448
For the 1st fraction, since 7 × 64 = 448,
30/7 = 30 × 64/7 × 64 = 1920/448
Likewise, for the 2nd fraction, since 64 × 7 = 448,
4/64 = 4 × 7/64 × 7 = 28/448
Subtract the two like fractions:
1920/448 - 28/448 = 1920 - 28/448 = 1892/448
After reducing the fraction, the answer is 473/112
In mixed form: 425/112

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