# How do you simplify 7 + (53 + 6)?

Jul 3, 2016

$66$

#### Explanation:

hi u can write this as
$7 + 53 + 6 = 7 + 53 + 3 - 3 + 6$
=$7 + 56 + 3$=
=$7 \left(1 + 8\right) + 3$
=$7 \cdot 9 + 3$
=$63 + 3 = 66$

Jul 3, 2016

Use of the Associative Property gives $66$

#### Explanation:

Rather than treating this just as a plain addition, it explores one of the laws of maths: the associative property.
Regrouping can make the addition easier.

$7 + \left(53 + 6\right)$ can be written as $\left(7 + 53\right) + 6$

$= 60 + 6$

$= 66$