Subtract 10/5 from 40/27, Solve 1 13/27

Subtract 10/5 from 40/27

1^st number: 1 13/27, 2^nd number: 2 0/5

40/27 - 10/5 is -14/27.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
40/27 = 40 × 5/27 × 5 = 200/135
Likewise, for the 2nd fraction, since 5 × 27 = 135,
10/5 = 10 × 27/5 × 27 = 270/135
Subtract the two like fractions:
200/135 - 270/135 = 200 - 270/135 = -70/135
After reducing the fraction, the answer is -14/27

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