Subtract 20/36 from 6/70, Solve 6/70

Subtract 20/36 from 6/70

6/70 - 20/36 is -148/315.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 70 × 18 = 1260,
6/70 = 6 × 18/70 × 18 = 108/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
20/36 = 20 × 35/36 × 35 = 700/1260
Subtract the two like fractions:
108/1260 - 700/1260 = 108 - 700/1260 = -592/1260
After reducing the fraction, the answer is -148/315

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