Subtract 70/54 from 2/8, Solve 2/8 - 1 16/54 as a fraction

Subtract 70/54 from 2/8

1^st number: 2/8, 2^nd number: 1 16/54

2/8 - 70/54 is -113/108.

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,
2/8 = 2 × 27/8 × 27 = 54/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
70/54 = 70 × 4/54 × 4 = 280/216
Subtract the two like fractions:
54/216 - 280/216 = 54 - 280/216 = -226/216
After reducing the fraction, the answer is -113/108

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