Subtract 42/6 from 8/70, Solve 8/70

Subtract 42/6 from 8/70

1^st number: 8/70, 2^nd number: 7 0/6

8/70 - 42/6 is -241/35.

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,
8/70 = 8 × 3/70 × 3 = 24/210
Likewise, for the 2nd fraction, since 6 × 35 = 210,
42/6 = 42 × 35/6 × 35 = 1470/210
Subtract the two like fractions:
24/210 - 1470/210 = 24 - 1470/210 = -1446/210
After reducing the fraction, the answer is -241/35

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