Subtract 96/42 from 6/72, Solve 6/72

Subtract 96/42 from 6/72

1^st number: 6/72, 2^nd number: 2 12/42

6/72 - 96/42 is -185/84.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504
Likewise, for the 2nd fraction, since 42 × 12 = 504,
96/42 = 96 × 12/42 × 12 = 1152/504
Subtract the two like fractions:
42/504 - 1152/504 = 42 - 1152/504 = -1110/504
After reducing the fraction, the answer is -185/84

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