Respuesta :
Answer:
23/12 or 1 11/12
Step-by-step explanation:
13/4 - 4/3
39/12 - 16/12
23/12
1 11/12
Answer:
1 11/12
Step-by-step explanation:
Simplify 3\times 43×4 to 1212.
\frac{12+1}{4}-1\frac{1}{3}
4
12+1
−1
3
1
3 Simplify 12+112+1 to 1313.
\frac{13}{4}-1\frac{1}{3}
4
13
−1
3
1
4 Convert 1\frac{1}{3}1
3
1
to improper fraction. Use this rule: a \frac{b}{c}=\frac{ac+b}{c}a
c
b
ac+b
5 Simplify 1\times 31×3 to 33.
13/4 -3 +1 / 3
6 Simplify 3+13+1 to 44.
13/4-4/3
7 (Find the Least Common Denominator (LCD) of 13/4,4/3 In other words, find the Least Common Multiple (LCM) of 4,34,3.)
LCD = 1212
8 (Make the denominators the same as the LCD)
13 x 3 - 4 x 4
4 x 3 -3 x4
9 (Simplify. Denominators are now the same.)
39/12-16/12
10 (Join the denominators.)
39-16
12
39−16
11 Simplify.
23/12
12 (Convert to mixed fraction.)
1 11/12