Reducing fractions to Lower common denominator , is:
a) 2/4 and 1/4 B) 4/24 and 3/24
c) 9/24, 20/24 and 14/24 d) 27/ 36, 10/36, 8/36 and 6/36
e) 30/70, 28/70, 45/70 and 77/70 f) 21/60, 56/60, 54/60 and 22/60
Fraction
The fraction is formed by the numerator (above the trace) and the denominator (under the trace):
• Numerator/denominator
• important That, by definition, the denominator has to be different from 0 (zero). Between two numbers and the proportion is the equality of two reasons. That is, for this we have to know the MMC of the numbers.
Let's look at each alternative.
a) 1/2, 1/4
The MMC, we have:
• mmc (2, 4) = 4
With this, it is:
• 1/2 = 2/4
• 1/4 = 1/4
b) 1/6, 1/8
calculating the mmc, we have:
• Mmc (6.8) = 24
With this is:
• 1/6 = 4/24 < /Strong>
• 1/8 = 3/24
c) 3/8, 5/ 6, 7/12
calculating the mmc, we have:
mmc (6,8,12) = 24
With this, is:
• 3/8 = 9/24
• 5/6 = 20 /24
• 7/12 = 14/24
d) 3/4 , 5/18, 2/9, 1/6
calculating the mmc, we have:
• mmc (4,6,9,18) = 36
With this is:
• 3/4 = 27/36
• 5/18 = 10/36
• 2/9 = 8/36
• 1/6 = 6/36
e) 3/7, 2/5, 9/14, 11/10
calculating The MMC, we have:
mmc (5,7,10,14) = 70
3/7 = 30/70
2/5 = 28/70
9/14 = 45/70
11/10 = 77/70
f) 7/20, 14/15, 9/10, 11/30
calculating the mmc, we have:
• mmc ( 10,15,20,30) = 60
With this is:
• 7/20 = 21/60
• 14/15 = 56/60
• 9/10 = 54/60
• 11/30 = 22/60