Subtract 27/30 from 14/8, Solve 1 6/8

Subtract 27/30 from 14/8

1^st number: 1 6/8, 2^nd number: 27/30

14/8 - 27/30 is 17/20.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 8 × 15 = 120,
14/8 = 14 × 15/8 × 15 = 210/120
Likewise, for the 2nd fraction, since 30 × 4 = 120,
27/30 = 27 × 4/30 × 4 = 108/120
Subtract the two like fractions:
210/120 - 108/120 = 210 - 108/120 = 102/120
After reducing the fraction, the answer is 17/20

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