The least common denominator would be 9, because
a. you can't take 3 out of two in 2/9
b. you can multiply 2/3 by 3 to make 6/9
so the LCD is 9
Answer:
15
Step-by-step explanation:
60/4 =15
Converting celsius to farenheit
C * 1.8 + 32
220 * 1.8 + 32 = 396 + 32 = 428 F....so 220 C = 428 F
so he set the oven for 428 F, when it was supposed to be set for 400 F
428 - 400 = 28.....28 degrees too hot
