Subtract 27/7 from 36/15, Solve 2 6/15

Subtract 27/7 from 36/15

1^st number: 2 6/15, 2^nd number: 3 6/7

36/15 - 27/7 is -51/35.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
36/15 = 36 × 7/15 × 7 = 252/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
27/7 = 27 × 15/7 × 15 = 405/105
Subtract the two like fractions:
252/105 - 405/105 = 252 - 405/105 = -153/105
After reducing the fraction, the answer is -51/35

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