Adding
3/8 + 1/8
4/8
or
1/2
3/4-1/4=
2/4 or 1/2
Rewrite 1/3 and 1/6 with a common denominator
1/3= 2/6
Common Denominator 6.
1
Yes
What is the vocabulary of common fractions (1/4, 1/2, 3/4)
Benchmark Fractions
What is 2/5 + 3/10?
7/10
What is 5/12 - 1/6 =
3/12 or 1/4
Rewrite 2/5 and 3/10 with a common denominator.
2/5 --> 4/10
Common denominator: 10
Victoria read 5/6 of a book on Saturday and read 3/8 more on Sunday. Estimate if she finished the book. Answer.
Juliet baked a pie. She shared with her family and ate 5/12. Answer.
7/12
What is 5/12+1/6?
7/12
What is 6/10-1/3?
8/30
Rewrite 4/9 and 2/3 with a common denominator.
2/3 = 6/9
Common Denominator =9
Kaitlyn used 3/8 of flour in the morning and 5/12 cup in the afternoon. Estimate how much flour she used in total. Then solve.
Estimation: 1 cup
Answer: 19/24 cup
A bottle holds 5/6 liter of water. Adrian drank 1/4 liter. How much is left?
5/6=3/12
1/4=10/12
10/12-3/12 = 7/12
What is 3/7 + 4/9?
55/63
What is 8/14-3/7?
5/14
Rewrite 5/8 and 7/12 with a common denominator.
5/8 = 15/24
7/12 = 14/24
During soccer practice Ben ran 7/10 of a mile on Monday and 4/9 mile on Tuesday. About how many miles did he run altogether? Estimate and solve.
Estimation: 1 1/2
Answer: 1 13/90
A recipe uses 2/3 of sugar and 3/8 of bytter how much did she use?
2/3 = 16/24
3/8=9/24
Total: 25/24 --> 1 1/24
What is 3/16+3/4?
15/16
9/14-2/7 =
5/14
Rewrite 5/9 and 4/27 with a common denominator.
15/27 and 4/27
Ms. Gonzalez bought 3 1/6 kg of sugar. She used 2 1/4 kg while baking cookies. How much sugar did she have left?
39/40
A class read 7/12 of a book on Monday. On Tueday they read 5/18 more. How much of the book have they read?
7/12 = 21/36
5/18=10/36
31/36 of a book