Subtract 63/18 from 7/35, Solve 7/35

Subtract 63/18 from 7/35

1^st number: 7/35, 2^nd number: 3 9/18

7/35 - 63/18 is -33/10.

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,
7/35 = 7 × 18/35 × 18 = 126/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
63/18 = 63 × 35/18 × 35 = 2205/630
Subtract the two like fractions:
126/630 - 2205/630 = 126 - 2205/630 = -2079/630
After reducing the fraction, the answer is -33/10

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