Subtract 7/18 from 84/8, Solve 10 4/8

Subtract 7/18 from 84/8

1^st number: 10 4/8, 2^nd number: 7/18

84/8 - 7/18 is 91/9.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 8 × 9 = 72,
84/8 = 84 × 9/8 × 9 = 756/72
Likewise, for the 2nd fraction, since 18 × 4 = 72,
7/18 = 7 × 4/18 × 4 = 28/72
Subtract the two like fractions:
756/72 - 28/72 = 756 - 28/72 = 728/72
After reducing the fraction, the answer is 91/9
In mixed form: 101/9

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