Subtract 18/8 from 81/14, Solve 5 11/14

Subtract 18/8 from 81/14

1^st number: 5 11/14, 2^nd number: 2 2/8

81/14 - 18/8 is 99/28.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 14 × 4 = 56,
81/14 = 81 × 4/14 × 4 = 324/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56
Subtract the two like fractions:
324/56 - 126/56 = 324 - 126/56 = 198/56
After reducing the fraction, the answer is 99/28
In mixed form: 315/28

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