Subtract 9/45 from 3/70, Solve 3/70

Subtract 9/45 from 3/70

3/70 - 9/45 is -11/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
9/45 = 9 × 14/45 × 14 = 126/630
Subtract the two like fractions:
27/630 - 126/630 = 27 - 126/630 = -99/630
After reducing the fraction, the answer is -11/70

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