Allison:

Stupid algebra again

1 month ago
Allison:

3/5 + 1/2

1 month ago

You can’t add fractions that have different denominators.

1 month ago

Do you know what the denominator is?

1 month ago
Allison:

Yes the bottom number

1 month ago
Allison:

I got it. •-•

1 month ago

You sure?

1 month ago
Allison:

Yes don’t stalk my DMs…

1 month ago

?

1 month ago
Allison:

I got help :D

1 month ago
3/5 + 1/2 You would find what is called the least common denominator. This is also the least common multiple. A multiple is a number multiplied by an integer (whole number). You need to find a multiple that both denominators share. Thus, least common denominator. 5 times 2 = 10 2 times 5 = 10 We must alter the form of these fractions, but retain their value. Do so by multiplying by 1. $\frac{ 3 }{ 5 } \times \frac{ 2 }{ 2} = \frac{ 6 }{ 10 }$ $\frac{ 1 }{ 2 } \times \frac{ 5 }{ 5 } = \frac{ 5 }{ 10 }$ Similar to in Algebra, 'what you do to one side, do to the other." What you do to the bottom, do to the top. This keeps the value the same, and also 5/5 = 1 and 2/2 = 1. Multiply by 1 means the number stays the same $\frac{ 6 }{10 } + \frac{ 5 }{ 10 } = \frac{ 11 }{ 10 }$