Решите плиз!!! (3/4+7/12)×4

Question

Решите плиз!!! (3/4+7/12)×4

Answer 1

(3/4+7/12)×4=4/3×4=16/3=5 1/3

Answer 2

(3/4+7/12)*4= 5 1/3
НОЗ(4;12)=2*2*3=12
4=2*2
12=2*2*3
12:4=3
12:12=1
4=4/1
9/12+7/12=16/12*4/1=16/3=5 1/3