Subtract 2/70 from 1/45, Solve 1/45

Subtract 2/70 from 1/45

1/45 - 2/70 is -2/315.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630
Subtract the two like fractions:
14/630 - 18/630 = 14 - 18/630 = -4/630
After reducing the fraction, the answer is -2/315

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