Adding Fractions
1/3 + 2/3 =
3/3 or 1
5/6 - 1/6 =
4/6 or 2/3
1/2 * 2/3 =
2/6 or 1/3
1/3 divided 1/4 =
1/3 * 4/1 = 4/3
Closest DNA relative to the T-Rex
Chicken
1/4 + 1/2 =
1/4 + 2/4 = 3/4
16/7 - 9/7 =
7/7 or 1
3/8 * 4/5 =
12/40 or 3/10
3/4 divided by 3/4
3/4 * 4/3 = 12/12 or 1
What was the first Pixar Movie?
Toy Story
5/3 + 1/9 =
5/3 can be rewritten 15/9, 15/9 +1/9 = 16/9 or 1 7/9
2 - 13/8
2 can be rewritten as 16/8, 16/8 - 13/8 = 3/8
11/3 * 4/7
44/21
7/3 divided by 12/5 =
7/3 * 5/12 = 35/36
What is largest island in the world?
Greenland
2 1/4 + 3 1/5 =
2 1/4 can be rewritten 9/4 and 3 1/5 can be rewritten as 16/5, common denominator is 20. 9/4 becomes 45/20 and 16/5 becomes 64/20.
45/20 + 64/20 = 109/20 or 5 9/20
9/5 - 5/8 =
Common denominator is 40, so 9/5, both top and bottom get multiplied by 8, so 72/40 and 5/8, both top and bottom get multiplied by 5, so 25/40. 72/40 - 25/40 = 47/40
2 2/3 * 3 3/4 =
8/3 * 15/4 = 120/12 or 10
2 4/5 divided by 7 2/3 =
14/5 * 3/23 = 42/115
What is the deepest ocean trench?
Mariana Trench
3 2/3 + 5 1/4 =
3 2/3 can be rewritten as 11/3 and 5 1/4 can be rewritten as 21/4. 11/3 + 21/4 =, finding common denominator of 12, this can be rewritten as 44/12 + 63/12 = 107/12 or 8 11/12
2 5/6 - 1 1/4 =
Rewritten as improper fractions, 17/6 - 5/4 =, the common denominator is 12, so 17/6, both top and bottom get multiplied by 2, so 34/12 and 5/4, both top and bottom get multiplied by 3, so 15/12. 34/12 - 15/12 = 19/12
5 3/7 * 4 3/4 =
38/7 * 19/4 = 722/28 or 25 22/25
4 3/5 divided b 2 6/7 =
23/5 * 7/20 = 161/100
Who invented the telephone?
Alexander Graham Bell