Subtract 1/18 from 35/21, Solve 1 14/21

Subtract 1/18 from 35/21

1^st number: 1 14/21, 2^nd number: 1/18

35/21 - 1/18 is 29/18.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
35/21 = 35 × 6/21 × 6 = 210/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
1/18 = 1 × 7/18 × 7 = 7/126
Subtract the two like fractions:
210/126 - 7/126 = 210 - 7/126 = 203/126
After reducing the fraction, the answer is 29/18
In mixed form: 111/18

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