Subtract 12/84 from 70/9, Solve 7 7/9

Subtract 12/84 from 70/9

1^st number: 7 7/9, 2^nd number: 12/84

70/9 - 12/84 is 481/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 9 × 28 = 252,
70/9 = 70 × 28/9 × 28 = 1960/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
12/84 = 12 × 3/84 × 3 = 36/252
Subtract the two like fractions:
1960/252 - 36/252 = 1960 - 36/252 = 1924/252
After reducing the fraction, the answer is 481/63
In mixed form: 740/63

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