Subtract 18/54 from 12/8, Solve 1 4/8

Subtract 18/54 from 12/8

1^st number: 1 4/8, 2^nd number: 18/54

12/8 - 18/54 is 7/6.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 8 × 27 = 216,
12/8 = 12 × 27/8 × 27 = 324/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
18/54 = 18 × 4/54 × 4 = 72/216
Subtract the two like fractions:
324/216 - 72/216 = 324 - 72/216 = 252/216
After reducing the fraction, the answer is 7/6
In mixed form: 11/6

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