Subtract 9/6 from 27/70, Solve 27/70

Subtract 9/6 from 27/70

1^st number: 27/70, 2^nd number: 1 3/6

27/70 - 9/6 is -39/35.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210
Likewise, for the 2nd fraction, since 6 × 35 = 210,
9/6 = 9 × 35/6 × 35 = 315/210
Subtract the two like fractions:
81/210 - 315/210 = 81 - 315/210 = -234/210
After reducing the fraction, the answer is -39/35

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