Answer:
b- 2, 1/20
Explanation:
We start with the expression 2 3/4 + 4/5, which means we're adding a mixed number (2 3/4) to a fraction (4/5).
First, we convert the mixed number 2 3/4 to an improper fraction:
2 3/4 = (2 * 4 + 3) / 4 = 11/4
Next, we add the improper fraction (11/4) to the fraction (4/5):
To add fractions, we need a common denominator, which is 20 (the least common multiple of 4 and 5):
11/4 + 4/5 = (11 * 5 + 4 * 4) / 20 = (55 + 16) / 20 = 71/20
Now, we divide the resulting fraction (71/20) into a whole number and a proper fraction:
71 ÷ 20 = 3 with a remainder of 11. This means we have 3 whole parts and a leftover of 11/20.