Subtract 9/35 from 42/18, Solve 2 6/18

Subtract 9/35 from 42/18

1^st number: 2 6/18, 2^nd number: 9/35

42/18 - 9/35 is 218/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
42/18 = 42 × 35/18 × 35 = 1470/630
Likewise, for the 2nd fraction, since 35 × 18 = 630,
9/35 = 9 × 18/35 × 18 = 162/630
Subtract the two like fractions:
1470/630 - 162/630 = 1470 - 162/630 = 1308/630
After reducing the fraction, the answer is 218/105
In mixed form: 28/105

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