arrange these fractions from smallest to largest: 1/8 15/64 15/16 7/32?
回答 (6)
✔ 最佳答案
1/8=8/64
15/64=15/64
15/16=60/64
7/32=14/64
1/8, 7/32, 15/64, 15/16
1/8 , 15/64 , 15/16 , 7/32
8 = 2 x 2 x 2
16 = 2 x 2 x 2 x 2
32 = 2 x 2 x 2 x 2 x 2
64 = 2 x 2 x 2 x 2 x 2 x 2
----------------------------------
The LCM of 8,16,32,64 is:
2 x 2 x 2 x 2 x 2 x 2
= 64
1/8 = 8/64
15/64 = 15/64
15/16 = 60/64
7/32 = 14/64
∵ 8/64 < 14/64 < 15/64 < 60/64
∴ 1/8 < 7/32 < 15/64 < 15/16
1/8 15/64 15/16 7/32 are 8/64, 15/64, 60/64, 14/64 in increasing order 8/64 < 14/64 < 15/64 < 60/64
or 1/8 < 7/32 < 15/64 < 15/16.
Get all 4 fractions to a denominator of 64:
1/8 = 8/64
15/64
15/16 = 60/64
7/32 = 14/64
Smallest to largest is obvious now: 1/8, 7/32, 15/64, 15/16
1/8 = 8/64
15/64=15/64
15/16=60/64
7/32=14/64
Now compare the Nr.s as you have equal denominators.
收錄日期: 2021-05-01 10:33:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080528073941AA1oPwo
檢視 Wayback Machine 備份