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il63 [147K]
3 years ago
15

Three tenths plus five eigths

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
4 0
The answer would come out to be 37/40
lianna [129]3 years ago
3 0
To add/subtract fractions you need to have a common denominator...

3/10+5/8  so we want to make the common denominator the least common multiple...

(3/10)(4/4)+(5/8)(5/5)

12/40+25/40

(12+25)/40

37/40
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Given :

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Two possible lengths for CD.

Solution :

Their are two cases :

1)

When D is in between C and E .

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C                  D          E

Here, CD = CE - DE

CD = 15.8 - 3.5 cm

CD = 12.3 cm

2)

When E is in between D and C.

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Here, CD = CE + DE

CD = 15.8 + 3.5 cm

CD = 19.3 cm

Hence, this is the required solution.

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