Subtract 18/50 from 8/70, Solve 8/70

Subtract 18/50 from 8/70

8/70 - 18/50 is -43/175.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 70 × 5 = 350,
8/70 = 8 × 5/70 × 5 = 40/350
Likewise, for the 2nd fraction, since 50 × 7 = 350,
18/50 = 18 × 7/50 × 7 = 126/350
Subtract the two like fractions:
40/350 - 126/350 = 40 - 126/350 = -86/350
After reducing the fraction, the answer is -43/175

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