Subtract 63/18 from 1/35, Solve 1/35

Subtract 63/18 from 1/35

1^st number: 1/35, 2^nd number: 3 9/18

1/35 - 63/18 is -243/70.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 35 × 18 = 630,
1/35 = 1 × 18/35 × 18 = 18/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
63/18 = 63 × 35/18 × 35 = 2205/630
Subtract the two like fractions:
18/630 - 2205/630 = 18 - 2205/630 = -2187/630
After reducing the fraction, the answer is -243/70

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