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ale4655 [162]
3 years ago
12

Fractions 2 3/4 + 4 4/5 + 3 8/9 =

Mathematics
2 answers:
zysi [14]3 years ago
7 0

2  3/4 + 4  4/5 + 3  8/9 =

= (2x4+3)/4 + (4x5+4)/5 + (3x9+8)/9

= ⁴⁵⁾11/4 + ³⁶⁾24/5 + ²⁰⁾35/9

= (495 + 864 + 700)/180

= 2059/180

iragen [17]3 years ago
6 0

Answer:

11 79/80

Step-by-step explanation:

2+4+3+   3/4+4/5+8/9

=9+    3(5*9) +4(4*9) + 8(5*4)/4*5*9

=9 +     135+ 144+160/180

=9+      439/180

=9+2 +   79/80

=11 79/80

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