Subtract 75/70 from 5/6, Solve 5/6 - 1 5/70 as a fraction

Subtract 75/70 from 5/6

1^st number: 5/6, 2^nd number: 1 5/70

5/6 - 75/70 is -5/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
5/6 = 5 × 35/6 × 35 = 175/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210
Subtract the two like fractions:
175/210 - 225/210 = 175 - 225/210 = -50/210
After reducing the fraction, the answer is -5/21

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