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

Subtract 30/42 from 30/3

1^st number: 10 0/3, 2^nd number: 30/42

30/3 - 30/42 is 65/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
30/3 = 30 × 14/3 × 14 = 420/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
30/42 = 30 × 1/42 × 1 = 30/42
Subtract the two like fractions:
420/42 - 30/42 = 420 - 30/42 = 390/42
After reducing the fraction, the answer is 65/7
In mixed form: 92/7

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