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yarga [219]
3 years ago
13

Which is a common denominator for the numbers: 40 and 28

Mathematics
2 answers:
Archy [21]3 years ago
8 0

Answer:

(a) 40 into 1120=28....28 into 1120=40 so 1120 is the denominator of 40&28

Agata [3.3K]3 years ago
4 0

9514 1404 393

Answer:

  a)  1120

Step-by-step explanation:

If 28 and 40 are denominators of fractions, one way to find a common denominator is to simply multiply these values:

  28×40 = 1120 . . . . a possible common denominator

__

The Least Common Denominator is the least common multiple (LCM) of these denominator numbers. The LCM is their product, divided by their greatest common factor. Here, that factor is 4, so the<em> least</em> common denominator is 1120/4 = 280.

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