A.21/30 B.12/15 C.13/10 D.18/20
2007-09-24 04:06:05 · 12 answers · asked by panktee p 1 in Science & Mathematics ➔ Mathematics
OK - I see you are here again. Let's see if we can help you.
Look at the answers you have and see if you can reduce any of them. A you can
21/30 = 7/10. YES! It's the answer.
For practice B
12/15=4/5
C cannot be reduced.
D = 18/20 = 9/10
Answer is A.
Key is to know your mutiplication tables really well. If you did, you would have seen the answer right away.
Hope this helps.
2007-09-24 04:21:27 · answer #1 · answered by pyz01 7 · 0⤊ 0⤋
7/10
2016-03-03 09:11:57 · answer #2 · answered by Anonymous · 0⤊ 0⤋
21/30=7*3/3*10=7/10
2007-09-24 04:31:52 · answer #3 · answered by ptolemy862000 4 · 0⤊ 0⤋
To find equivalent fraction multiply numerator and denominator by same number.
You can observe the options. Out of 4 options only in the 1st option numerator 21 is multiple of 7
7/10 multiply numerator and denominator by 3.
7 × 3 / 10 × 3 = 21 / 30 ------- Option A
2007-09-24 21:06:55 · answer #4 · answered by Pranil 7 · 0⤊ 0⤋
Out of Ur answers here A.21/30 is the answer. There r endless equivalent to that sum like 14/20, 28/40, 35/50------70/100-------7000/10000 and many more.
2007-09-24 04:36:19 · answer #5 · answered by nazbak 6 · 0⤊ 0⤋
A. 21/30
multiply the numerator by 3, and the denominator by 3.
2007-09-24 04:14:21 · answer #6 · answered by Bamby 2 · 1⤊ 0⤋
the answer is letter a, 21/30...
when you simplify 21/30 it would be equal to 7/10.
hope it helps!!
goodluck with your math^_^
2007-09-24 04:23:00 · answer #7 · answered by Anonymous · 0⤊ 0⤋
Rather than wasting public time learn to do more on your own by visiting the following website:
http://mathforum.org/teachers/
2007-09-24 04:17:04 · answer #8 · answered by Anonymous · 1⤊ 0⤋
21/30.
It's also equal to 0.7.
2007-09-24 04:17:04 · answer #9 · answered by Chie 5 · 0⤊ 0⤋
(A) 21/30
Doug
2007-09-24 04:12:48 · answer #10 · answered by doug_donaghue 7 · 0⤊ 0⤋