2, 1/2 + 1, 1/4 = 3,6/8
3/4 x 4/5 = 3/5
3/4 x 2/7 = 3/14
5/7 x 21/30 = 1/2
1/2 x 2/3 x 3/4 = 1/4
3,1/4 x 2/5 = 3, 1/10
2007-09-25 08:58:49 · 9 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
1: 3, 3/4
2: 12/20 to 3/5
3: 6/28 to 3/14
4: 105/210 to 1/2
5: 6/24 to 1/4
6: 3, 2/20 to 3,1/10
All correct.
2007-09-25 09:07:06 · answer #1 · answered by wolfsbane18 2 · 0⤊ 2⤋
2 1/2 + 1 1/4 = 3 6/8= 3 3/4
3/4 x 4/5 = 3/5
3/4 x 2/7 = 6/28 = 3/14
5/7 x 21/30 = 1/2
1/2 x 2/3 x 3/4 = 1/4
3 1/4 x 2/5 = 13/4 x 2/5 = 26/20 =13/10 = 1 3/10
You do not need the commas.
2007-09-25 09:09:19 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
All correct except the last one.
2, 1/2 + 1, 1/4 = 3,6/8
5/2 + 5/4 =
10/4 + 5/4 =
15/4 = 3,3/4 = 3, 6/8
3/4 x 4/5 = 3/5
(3*4) / (4*5) =
12 / 20 =
6/10 = 3/5
3/4 x 2/7 = 3/14
(3*2)/(4*7) =
6/28 =
3 /14
5/7 x 21/30 = 1/2
(5*21)/(7*30) =
105 /210 =
1/2
1/2 x 2/3 x 3/4 = 1/4
(1*2*3)/ (2*3*4) =
6/24 =
1/4
3,1/4 x 2/5 = 3, 1/10
(13/4) * (2/5) =
(13*2)/(4*5) =
26 /20 =
13/10
2007-09-25 09:11:11 · answer #3 · answered by petep73 3 · 0⤊ 2⤋
2, 1/2 + 1, 1/4 = 3,6/8 - No, 3 and 3/4
3/4 x 4/5 = 3/5 - Yes
3/4 x 2/7 = 3/14 - Yes
5/7 x 21/30 = 1/2 - Yes
1/2 x 2/3 x 3/4 = 1/4 - Yes
3,1/4 x 2/5 = 3, 1/10 - No, 1 and 3/10
2007-09-25 09:05:14 · answer #4 · answered by mcfly21 2 · 0⤊ 0⤋
I don't get what the first and last lines are supposed to be, but the rest are correct. Are those lines supposed to be mixed numbers, with the comma separating the whole number from the fraction?
If so, then the first one can be reduced and the last one is wrong. You don't multiply mixed numbers like that. Convert the mixed numbers to improper fractions, then multiply the fractions as you would like any other fractions, and re-write your answer as a mixed number if possible.
2007-09-25 09:05:55 · answer #5 · answered by Anonymous · 0⤊ 0⤋
3 6/8 can be reduced to 3 3/4
yes
2/7
yes
yes
1 3/10
2007-09-25 09:06:15 · answer #6 · answered by Anonymous · 0⤊ 1⤋
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2016-10-19 23:10:45 · answer #7 · answered by hussaini 4 · 0⤊ 0⤋
a) 3,6/8 = 3,3/4
b) correct
c) correct
d) correct
e) 13/10 = 1,3/10
2007-09-25 09:04:58 · answer #8 · answered by Dave 6 · 0⤊ 0⤋
yes, but reduce fraction.
yes.
yes.
yes.
yes.
close, switch the 1 and 3.
2007-09-25 09:06:41 · answer #9 · answered by σοφια 5 · 0⤊ 0⤋