Subtract 10/42 from 18/35, Solve 18/35

Subtract 10/42 from 18/35

18/35 - 10/42 is 29/105.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
18/35 = 18 × 6/35 × 6 = 108/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210
Subtract the two like fractions:
108/210 - 50/210 = 108 - 50/210 = 58/210
After reducing the fraction, the answer is 29/105

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