Subtract 1/42 from 35/18, Solve 1 17/18

Subtract 1/42 from 35/18

1^st number: 1 17/18, 2^nd number: 1/42

35/18 - 1/42 is 121/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
35/18 = 35 × 7/18 × 7 = 245/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
1/42 = 1 × 3/42 × 3 = 3/126
Subtract the two like fractions:
245/126 - 3/126 = 245 - 3/126 = 242/126
After reducing the fraction, the answer is 121/63
In mixed form: 158/63

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