Subtract 35/10 from 30/75, Solve 30/75

Subtract 35/10 from 30/75

1^st number: 30/75, 2^nd number: 3 5/10

30/75 - 35/10 is -31/10.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 75 × 2 = 150,
30/75 = 30 × 2/75 × 2 = 60/150
Likewise, for the 2nd fraction, since 10 × 15 = 150,
35/10 = 35 × 15/10 × 15 = 525/150
Subtract the two like fractions:
60/150 - 525/150 = 60 - 525/150 = -465/150
After reducing the fraction, the answer is -31/10

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