Subtract 70/9 from 28/14, Solve 2 0/14

Subtract 70/9 from 28/14

1^st number: 2 0/14, 2^nd number: 7 7/9

28/14 - 70/9 is -52/9.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
28/14 = 28 × 9/14 × 9 = 252/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
70/9 = 70 × 14/9 × 14 = 980/126
Subtract the two like fractions:
252/126 - 980/126 = 252 - 980/126 = -728/126
After reducing the fraction, the answer is -52/9

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