Subtract 1/8 from 75/54, Solve 1 21/54

Subtract 1/8 from 75/54

1^st number: 1 21/54, 2^nd number: 1/8

75/54 - 1/8 is 91/72.

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

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 54 × 4 = 216,
75/54 = 75 × 4/54 × 4 = 300/216
Likewise, for the 2nd fraction, since 8 × 27 = 216,
1/8 = 1 × 27/8 × 27 = 27/216
Subtract the two like fractions:
300/216 - 27/216 = 300 - 27/216 = 273/216
After reducing the fraction, the answer is 91/72
In mixed form: 119/72

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