What should be added to - 9/25 to get - 21/15
Answers
Answered by
4
Step-by-step explanation:
Let the number be x
-9/25 + x = -21/15
x = 9/25 - 21/15
x = 9×15 - 25×21/25×15
x = 135-525/375
x = -390/375
x=-104/100
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Answered by
3
let required number be x,
-9/25+x= -21/15
-9+25x/25=-21/15
-9+25x=-21/15 x 25
-9/25x=-35
25x=-35=9
25x=-26
x=-26/25
as we know -21/15=-7/5
and-26/25=-7/5
so both contain same value
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