Subtract 1/8 from 42/27, Solve 1 15/27

Subtract 1/8 from 42/27

1^st number: 1 15/27, 2^nd number: 1/8

42/27 - 1/8 is 103/72.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216
Likewise, for the 2nd fraction, since 8 × 27 = 216,
1/8 = 1 × 27/8 × 27 = 27/216
Subtract the two like fractions:
336/216 - 27/216 = 336 - 27/216 = 309/216
After reducing the fraction, the answer is 103/72
In mixed form: 131/72

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