Rules
Fractions 1
Decimals 1
Fractions 2
Decimals 2
100
When adding/subtracting fractions, do you need common denominators?

Yes

100

Add 1/2 + 3/4  as a mixed number or improper fraction

5/4 or  1 1/4

100

Add the decimals: 1.46 + 1.21

2.67

100

Subtract the fractions 6/12 - 4/12 in simplest form

1/6

100

Subtract 5.2 - 3.52

1.68

200

When adding decimals, what's the most important step when sloving?

Line up the decimals.

200

Add 1/2 + 1/4 

3/4

200

Add the decimals: 1.5 + 2.03 + 0.6

4.13

200

Subtract  5/6 - 5/8 

5/24

200

Add 198.306 +  2.21 + 51.71 + 5.8 =

258.026

300

When subtracting decimals, is it important to write the larger number one top?

Yes

300

Subtract 7/10 - 1/5

1/2

300

Subtract 4.52 - 2.001

2.519

300

Add the fractions 2 3/5 + 3 1/2 in simplest form as a mixed number

6  1/10

300

Subtract 6.21 - 0.3 -1.67= 

4.24

400

When adding/subtracting fractions, do we need to convert mixed numbers to improper fractions?

Yes.

400

Subtract 2 1/8 - 1 1/4  

7/8

400

Add the decimals: 24.6 + 2.01 + 16.98 =

43.59

400

Subtract the fractions 2 1/8 - 1/4 in simplest form as a mixed number

1 7/8

400

Add 3.25 + 1.2

4.45

500

When adding and subtracting decimals, what should one do after solving the problem?

Simplify

500

Add 1/3 + 2/6 + 3/5 

19/15 or 1 4/15

500

Subtract the decimals: 45.6 - 2.39

43.21

500

Add 1 1/2 + 3 

5 3/8   or 4 11/8

500

Find 32 - 8.26 + 2.1

25.84

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