Subtract 42/7 from 9/75, Solve 9/75

Subtract 42/7 from 9/75

1^st number: 9/75, 2^nd number: 6 0/7

9/75 - 42/7 is -147/25.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 75 × 7 = 525,
9/75 = 9 × 7/75 × 7 = 63/525
Likewise, for the 2nd fraction, since 7 × 75 = 525,
42/7 = 42 × 75/7 × 75 = 3150/525
Subtract the two like fractions:
63/525 - 3150/525 = 63 - 3150/525 = -3087/525
After reducing the fraction, the answer is -147/25

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