Subtract 12/18 from 35/21, Solve 1 14/21

Subtract 12/18 from 35/21

1^st number: 1 14/21, 2^nd number: 12/18

35/21 - 12/18 is 1/1.

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,
12/18 = 12 × 7/18 × 7 = 84/126
Subtract the two like fractions:
210/126 - 84/126 = 210 - 84/126 = 126/126
After reducing the fraction, the answer is 1/1

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