Subtract 3/75 from 42/30, Solve 1 12/30

Subtract 3/75 from 42/30

1^st number: 1 12/30, 2^nd number: 3/75

42/30 - 3/75 is 34/25.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 30 × 5 = 150,
42/30 = 42 × 5/30 × 5 = 210/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
3/75 = 3 × 2/75 × 2 = 6/150
Subtract the two like fractions:
210/150 - 6/150 = 210 - 6/150 = 204/150
After reducing the fraction, the answer is 34/25
In mixed form: 19/25

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