04. Subtraction of mixed fractionsYouTube↗  IA↗(long shot)
Education  192K views 876 likes 130 dislikes   09 Aug 2015
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Hello and welcome to another Matefacil video!
Ciao e benvenuto in un altro video Matefacil!
In this video we are going to perform the following subtraction of mixed fractions
In questo video eseguiremo la seguente sottrazione di frazioni miste
For this we first convert the mixed fractions into impropias
Per questo prima convertiamo le frazioni miste in impropie
performing the following operations
eseguire le seguenti operazioni
We multiply 3x5 = 15, and add 4, it is 19
Moltiplichiamo 3x5 = 15 e aggiungiamo 4, è 19
the improper fraction is 19/5
la frazione impropria è 19/5
We do the same with the second fraction, 2x3 = 6 we add 1 and it is 7
Facciamo lo stesso con la seconda frazione, 2x3 = 6 aggiungiamo 1 ed è 7
the improper fraction is 7/3
la frazione impropria è 7/3
Now we subtract these fractions
Ora sottraiamo queste frazioni
First we multiply denominators: 5x3 = 15
Per prima cosa moltiplichiamo i denominatori: 5x3 = 15
Now we multiply 19x3 = 57, 7x5 = 35,
Ora moltiplichiamo 19x3 = 57, 7x5 = 35,
finally we subtract 57-35 = 22
infine sottraiamo 57-35 = 22
the result is 22/15, as it is an improper fraction we can convert it to a mixed fraction
il risultato è 22/15, in quanto è una frazione impropria che possiamo convertire in una frazione mista
To convert it we divide 22 by 15, the result is 1 and residue 7
Per convertirlo dividiamo 22 per 15, il risultato è 1 e il residuo 7
So the mixed fraction is 1 whole and 7/15
Quindi la frazione mista è 1 intero e 7/15
This is the result of subtraction
Questo è il risultato della sottrazione
In a similar way, the multiplication of mixed fractions is carried out
In modo simile, viene eseguita la moltiplicazione delle frazioni miste
First we convert to improper fractions
Per prima cosa convertiamo in frazioni improprie
Then we multiply the improper fractions, remembering that it is multiplied numerator by numerator, and denominator by denominator
Quindi moltiplichiamo le frazioni improprie, ricordando che si moltiplica numeratore per numeratore e denominatore per denominatore
I invite you to try this operation and in the next video I show you the procedure and the answer
Vi invito a provare questa operazione e nel prossimo video vi mostrerò la procedura e la risposta
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