Question

A )14 × 15 - 1 /  13 × 15 +14

 

Answer 1

A)\(\frac{14.15-1}{13.15+14}=\frac{210-1}{195+14}=\frac{200}{209}\)

Answer 2

\(\frac{14x15-1}{13x15+14}\)

\(=\frac{13x15+15-1}{13x15+14}\)

\(=\frac{13x15+14}{13x15+14}=1\)