Subtract 70/18 from 36/14, Solve 2 8/14

Subtract 70/18 from 36/14

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

36/14 - 70/18 is -83/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
36/14 = 36 × 9/14 × 9 = 324/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126
Subtract the two like fractions:
324/126 - 490/126 = 324 - 490/126 = -166/126
After reducing the fraction, the answer is -83/63

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