Adding Fractions
1/3+1/3=
2/3
1/2-1/2=
0 or 0/2
1/4 of the crops collected during the Spring are corn. 2/4 of the crops collected are pumpkins. What fraction of corn and pumpkins were collected?
3/4
1/4 of the spring season is used for planting crops. 2/4 is used for tending to the crops. What fraction of the season is left for harvesting crops?
1/4
What is the top number in a fraction called?
Numerator
2/6+3/6=
5/6
3/3-1/3=
2/3
1/5 of the land was given to the American settlers by the Native Americans. 3/5 of the land still belongs to the Native Americans. How much land do the American settlers and Native Americans have all together?
4/5
Joanie's mom wants to bring mashed potatoes to the community potluck. She has peeled 4/10 of the potatoes. What fraction of potatoes are left to peel?
6/10
What is the bottom number in a fraction called?
Denominator
5/10+4/10=
9/10
4/10-2/10=
2/10
1/6 of the population in a town are upper class. 3/6 of the population are middle class. What is the fraction of upper and middle class in the town?
4/6
There are 7/22 girls in Mr. Michael's sewing class. The rest are boys. What fraction of boys are in Mr. Michael's sewing class?
15/22
What does a fraction tell you?
Parts of a whole
10/18+5/18=
15/18
15/20-10/20=
5/20
6/16 of the workers in the middle class are builders. 9/16 are farmers. What is the fraction of builders and farmers in the middle class?
15/16
The Native Americans are moving towards the west. 19/38 families are packed. 6/38 families are almost packed. The rest of the families are not packed. What fraction of families are not packed?
13/38
Do you add the denominator when adding fractions?
No
26/50+13/50=
39/50
80/100-25/100=
55/100
51/100 children in the town go to school. 17/100 work in fields collecting crops. What fraction of the children go to school and work in the fields collecting crops?
68/100
On one boat traveling to America, there are 200 English settlers. 110/200 are women and children. The rest are men. What fraction of the settlers are men?
90/200
Can you add fractions with a different denominator the same way you add fractions with the same denominator?
ex. 2/4+1/3 and 2/4+1/4
No