Subtract 8/14 from 70/18, Solve 3 16/18

Subtract 8/14 from 70/18

1^st number: 3 16/18, 2^nd number: 8/14

70/18 - 8/14 is 209/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
8/14 = 8 × 9/14 × 9 = 72/126
Subtract the two like fractions:
490/126 - 72/126 = 490 - 72/126 = 418/126
After reducing the fraction, the answer is 209/63
In mixed form: 320/63

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