i dont know how to do this helpppp
2006-11-20 12:43:49 · 12 answers · asked by OC2007 2 in Science & Mathematics ➔ Mathematics
first make all into complex fractions:
15/4+17/2+93/8
now set the lower numbers all equal to 8 and make sure you multiply the bottom as well as the top
30/8+68/8+93/8
and your answer is
191/8 or 23-7/8
and it cannot reduce
2006-11-20 12:45:43 · answer #1 · answered by Mike P 3 · 1⤊ 0⤋
Convert 3/4 to 6/8, and 1/2 to 4/8 before adding the fractions. Then you get:
3 6/8 + 8 4/8 +11 5/8 = 3+8 +11+(6+4+5)/8 = 22+15/8 = 22+1+7/8 = 23 7/8
2006-11-20 13:00:36 · answer #2 · answered by MathBioMajor 7 · 0⤊ 0⤋
The answer is 23 7/8, what you have to do is to take the fraction to a common denominator (the bottom number).
In this example
3/4 = 6/8
1/2 = 4/8
Then you have
3 + 8 + 11 = 22 and
6/8 + 4/8 + 5/8 = 15/8 (You only sum the ones on top, the numerator) and 15/8 = 1 7/8
Total 22 + 1 7/8 = 23 7/8
2006-11-20 12:54:49 · answer #3 · answered by Cisco Sucks 3 · 0⤊ 1⤋
Try to break everything down bit by bit.
3+8+11=22
3/4+1/2=1 1/4
22+1 1/4=23 1/4
23 1/4+5/8=23 7/8
2006-11-20 13:03:35 · answer #4 · answered by Anonymous · 0⤊ 0⤋
3 3/4 + 8 1/2 + 11 5/8 = 3 + 8 + 11 + 3/4 + 1/2 + 5/8
Add the whole numbers, find the LCD of the fractions and add in that result
22 + 3/4 + 1/2 + 5/8
LCD = 8, change fractions to have denominator of 8
22 + 6/8 + 4/8 + 5/8
22 + 17/8
22 + 1 7/8
23 7/8
2006-11-20 12:52:02 · answer #5 · answered by Anonymous · 0⤊ 1⤋
23 7/8
2006-11-20 12:55:25 · answer #6 · answered by Hotdivababe 3 · 0⤊ 0⤋
first change it to improper fraction:
3 3/4 = 15/4
8 1/2 = 17/2
11 5/8 = 93/8
then chane it to similar fractions:
15/4 = 30/8
+
17/2 = 68/8
+
93/8 = 93/8
the answer is = 191/8
= 23 7/8
2006-11-20 12:50:16 · answer #7 · answered by cLaud 1 · 1⤊ 1⤋
23-7/8
2006-11-20 12:48:05 · answer #8 · answered by jason b 1 · 1⤊ 0⤋
-----You solve this problem by changing all the fractions into those having a common denomiator: 3/4 = 6/8, for example. Then you can add the numerators. ---Jim
2006-11-20 12:55:02 · answer #9 · answered by James M 4 · 0⤊ 1⤋
3.75 +8.5 + 11.625 = 23.875 = 23 7/8
2006-11-20 12:47:11 · answer #10 · answered by rizwan_tz 1 · 1⤊ 0⤋