Subtract 45/15 from 1/27, Solve 1/27

Subtract 45/15 from 1/27

1^st number: 1/27, 2^nd number: 3 0/15

1/27 - 45/15 is -80/27.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
1/27 = 1 × 5/27 × 5 = 5/135
Likewise, for the 2nd fraction, since 15 × 9 = 135,
45/15 = 45 × 9/15 × 9 = 405/135
Subtract the two like fractions:
5/135 - 405/135 = 5 - 405/135 = -400/135
After reducing the fraction, the answer is -80/27

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