Add fractions and decimals quick check

Answer 1

Here are a few questions to quickly check your understanding of adding fractions and decimals:

1. 1/4 + 1/4 = ___ (fraction answer)
2. 0.3 + 0.2 = ___ (decimal answer)
3. 3/8 + 5/8 = ___ (fraction answer)
4. 0.6 + 0.7 = ___ (decimal answer)
5. 2/5 + 1/5 = ___ (fraction answer)
6. 0.9 + 0.1 = ___ (decimal answer)

Answers:
1. 1/4 + 1/4 = 2/4 or 1/2
2. 0.3 + 0.2 = 0.5
3. 3/8 + 5/8 = 8/8 or 1
4. 0.6 + 0.7 = 1.3
5. 2/5 + 1/5 = 3/5
6. 0.9 + 0.1 = 1.0 or 1 (decimal can be rounded to one significant digit)

Answer 2

Add −1.2+7.6.(1 point)
Responses

−8.8
negative 8.8

−6.4
negative 6.4

6.4
6.4

8.8

Answer 3

6.4

Answer 4

Add −4.85+(−2.54).(1 point)
Responses

−6.39
negative 6.39

−2.31
negative 2.31

−7.39
negative 7.39

2.31
2.31

Answer 5

-7.39

Answer 6

Add 4.6+(−9.04).(1 point)
Responses

−4.44
negative 4.44

4.44
4.44

13.64
13.64

−13.64

Answer 7

-4.44

Answer 8

dd −1 13/10 +(−4 2/15).(1 point)
Responses

−515
negative 5 Start Fraction 1 over 5 End Fraction

−516
negative 5 Start Fraction 1 over 6 End Fraction

−51330
negative 5 Start Fraction 13 over 30 End Fraction

−256
negative 2 Start Fraction 5 over 6 End Fraction

Answer 9

-515/6

Answer 10

dd −1 3/10 +(−4 2/15).(1 point)
Responses

−515
negative 5 Start Fraction 1 over 5 End Fraction

−516
negative 5 Start Fraction 1 over 6 End Fraction

−51330
negative 5 Start Fraction 13 over 30 End Fraction

−256
negative 2 Start Fraction 5 over 6 End Fraction

Answer 11

-466/30

Answer 12

dd −1310 +(−4215)

negative 5 Start Fraction 1 over 5 End Fraction

negative 5 Start Fraction 1 over 6 End Fraction

negative 5 Start Fraction 13 over 30 End Fraction

negative 2 Start Fraction 5 over 6 End Fraction

Answer 13

-5525

Answer 14

add −1 3/10 +(−4 2/15)

negative 5 Start Fraction 1 over 5 End Fraction

negative 5 Start Fraction 1 over 6 End Fraction

negative 5 Start Fraction 13 over 30 End Fraction

negative 2 Start Fraction 5 over 6 End Fraction

Answer 15

-7 11/30

Answer 16

bruh

Answer 17

I apologize if there was any confusion. The correct answer is -7 11/30 when adding -1 3/10 and -4 2/15.

Answer 18

Add -1 3/10 + (-4 2/15)
A. -5 1/5
B. -5 1/6
C. -5 13/30
D. -2 5/6

Answer 19

Apologies for the confusion earlier. The correct answer is A. -5 1/5 when adding -1 3/10 and -4 2/15.

Answer 20

Add −1.2+7.6.(1 point)
Responses

8.8
8.8

6.4
6.4

−8.8
negative 8.8

−6.4