Subtract 20/5 from 7/27, Solve 7/27

Subtract 20/5 from 7/27

1^st number: 7/27, 2^nd number: 4 0/5

7/27 - 20/5 is -101/27.

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,
7/27 = 7 × 5/27 × 5 = 35/135
Likewise, for the 2nd fraction, since 5 × 27 = 135,
20/5 = 20 × 27/5 × 27 = 540/135
Subtract the two like fractions:
35/135 - 540/135 = 35 - 540/135 = -505/135
After reducing the fraction, the answer is -101/27

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