2 years ago

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

Mathematics

2 answers:

zysi [14]2 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]2 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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