Answer:
numerator = 1449 denominator = 2691
Step-by-step explanation:
let numerator = n, denominator = d
n/d = 7/13
or n = 7d/13 -------(i)
again, n+d = 4140
or 7d/13 +d = 4140 [substituting the value in (i)]
or 20d/13 = 4140
or d = 2691
n = 4140 - 2691 = 1449