Maths 9 Sahi 3/4 + 7 Sahi 2/17 - 9 Sahi 1/15 = ?

9 सही 3/4 + 7 सही 2/17 - 9 सही 1/15 = ? - - 9 Sahi 3/4 + 7 Sahi 2/17 - 9 Sahi 1/15 = ?  Maths in hindi,  simplification  9 Sahi 817/1020 question answers in hindi pdf   9 Sahi 719/1020 questions in hindi, Know About 7 Sahi 719/1020 Maths online test Maths MCQS Online Coaching in hindi quiz book     7 Sahi 817/1020