Subtract 8/42 from 75/5, Solve 15 0/5

Subtract 8/42 from 75/5

1^st number: 15 0/5, 2^nd number: 8/42

75/5 - 8/42 is 311/21.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
75/5 = 75 × 42/5 × 42 = 3150/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210
Subtract the two like fractions:
3150/210 - 40/210 = 3150 - 40/210 = 3110/210
After reducing the fraction, the answer is 311/21
In mixed form: 1417/21

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