I am having a hard time with fractions.
Need some help with
2 1/4 - 7/8 =
9/4-7/8
18/8-7/8
11/8 or 13/8
ok,this is wat u do
u make both denominators equal by finding the LCM(least common multiple)
that is 8 what do u have to do if u want to make both fractions have the same denominator? u do this
2 1/4=2 2/8 u reduce 2 2/8 to get 2 1/4, rite?
then 7/8 cannot go into 2 2/8, rite so u make the 2 2/8 an improper fraction
u add the numerator to the denominator and subtract 1 from the whole number
so 2 2/8 becomes 1 10/8 then u subtract basically u do these steps
2 1/4-7/8=
2 2/8-7/8=
1 10/8-7/8=
now u just figure out the answer
any help, kinda confusing, then reply and ill tell u another way
1 3/8 is the answer. Thank you so much.
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To subtract fractions, you need to have the same denominator. In this case, the denominators are 4 and 8. To get the same denominator, you can find the least common multiple (LCM) of 4 and 8, which is 8 in this case.
Now, let's convert the first fraction, 2 1/4, to an improper fraction. To do this, multiply the whole number (2) by the denominator (4), which gives you 8. Then, add the numerator (1) to the result (8), which gives you a new numerator of 9. So, 2 1/4 can be written as 9/4.
Now, since both fractions have the same denominator, we can subtract them.
9/4 - 7/8 = ?
To subtract the fractions, we need to have them with the same denominator. Since 4 and 8 share a common multiple of 8, let's rewrite the first fraction with a denominator of 8.
9/4 can be converted to 18/8 by multiplying the numerator (9) by 2.
Now we have:
18/8 - 7/8 = ?
Since the denominators are the same, we can subtract the numerators:
18 - 7 = 11
So, the result is 11/8.