Polkadot JAM Slides - Token2049 - By Dr. Gavin Wood
Lesson 5 9 sub with renaming
1. Name ____________________________________ Date __________________
Mrs. Labuski / Mrs. Rooney Period _______ Subtract Mixed Numbers
Solve:
32
-14
Can you subtract these mixed numbers:
2
3 8
4
-1 8
Since 2/8 is smaller than 4/8 you have to regroup. But from where?
You can change the whole number into a fraction.
Remember:
8 2 1. Break whole Now you can subtract by renaming
1 =8 3 8 number into two
whole numbers.
using your new improper fraction.
2+1 10
2. Change whole
28
28 2
8 8
+ number into a
fraction equal to 1. 1
- 8
4
10 6= 3
2 8
3. Add new fractions
and original fraction 1 1 8 4
together.
2= 10
38 2 8
2. Regroup each mixed number by regrouping a 1 from the whole number
Subtract.
3. Name ____________________________________ Date __________________
Mrs. Labuski / Mrs. Rooney Period _______ Subtract Mixed Numbers
Solve:
32
-14
Can you subtract these mixed numbers:
2
3 8
4
-1 8
Since 2/8 is smaller than 4/8 you have to regroup. But from where?
You can change the whole number into a fraction.
Remember:
8 2 1. Break whole Now you can subtract by renaming
1 =8 3 8 number into two
whole numbers.
using your new improper fraction.
2+1 10
2. Change whole
28
28 2
8 8
+ number into a
fraction equal to 1. 1
- 8
4
10 6= 3
2 8
3. Add new fractions
and original fraction 1 1 8 4
together.
2= 10
38 2 8
4. Regroup each mixed number by regrouping a 1 from the whole number
Subtract.
