Question

2•1 5/12+4•1 1/8+1 1/9 +1 1/4

Answer 1

2*15 =30/ 12+4*11=56/ 8+11=19/4

Answer 2

To simplify the expression:

2 • 1 5/12 + 4 • 1 1/8 + 1 1/9 + 1 1/4

Let's convert the mixed numbers into improper fractions:

2 • (12/12) + 4 • (8/8) + (9/9) + (4/4)

Now simplify each term:

2 • 1 + 4 • 1 + 1 + 1

2 + 4 + 1 + 1

8

Therefore, the simplified expression is 8.