Subtract 30/9 from 54/8, Solve 6 6/8

Subtract 30/9 from 54/8

1^st number: 6 6/8, 2^nd number: 3 3/9

54/8 - 30/9 is 41/12.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 8 × 9 = 72,
54/8 = 54 × 9/8 × 9 = 486/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
30/9 = 30 × 8/9 × 8 = 240/72
Subtract the two like fractions:
486/72 - 240/72 = 486 - 240/72 = 246/72
After reducing the fraction, the answer is 41/12
In mixed form: 35/12

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