What is the GCF and LCM of -21 and 80? Please Help! Explanation Please! :) Will give brainliest! ASAP!
1 answer:
Answer:
GCF= 1
LCM= 1680
Step-by-step explanation:
GCF= Find the prime factorization of 21, 21 = 3 x 7
Find the prime factorization of 80, 80 = 2 x 2 x 2 x 2 x 5
Then multiply the prime factors both numbers have in common
LCM= multiply the two numbers together and ignore all negative signs
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Ratio- 3: 2
3x + 2x = 150
5x = 150
x = 30
3x is the larger number so plug in the x value with 30.
3x
3 x 30
90
The larger number is 90.
Hope I helped.. ^^
7 . 3
--- × ------
10. . 6
= 21
--------
60
= 7/20
Answer:
650
Step-by-step explanation:
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Answer:
Step-by-step explanation:
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