13/24
Given:
11/12-3/8
In order to add or subtract fractions, they must have the same denominator, called the least common denominator (LCD). Find the LCD by listing the multiples of each denominator. The lowest multiple they have in common is the LCD.
8: 8, 16, 24, 32, 40.....
12: 12, 24.....
The LCD is 24.
Now multiply each fraction by a fraction equal to one that will make the denominator24. For example, 3/3 = 1. This will change the numbers but keep the values of the fractions the same.
11/12 x 2/2-3/8 x 3/3 =
(11 x 2)/(12 x 2)-(3 x 3)/(8 x 3) =
22/24-9/24 =
13/24
One fourth is three twelfths. So eleven twelfths minus three twelfths is eight twelfths, which is also two thirds.
9
three eighths over five twelfths is three eights divided by five twelfths which is: 3/8 ÷ 5/12 = 3/8 x 12/5 = 9/10
Three twelfths is equal to one fourth, which is equal to two eights.
1 1/16 - 3/8 = 11/16, or eleven sixteenths.
One fourth is three twelfths. So eleven twelfths minus three twelfths is eight twelfths, which is also two thirds.
11/12 plus 3/8 = 31/24
3/8=0.38 5/12 = 0.42 0.38-0.42=-0.04
3 2/3 minus 11/12 is 2 3/4 or 2.75
9
Three eighths
three eighths over five twelfths is three eights divided by five twelfths which is: 3/8 ÷ 5/12 = 3/8 x 12/5 = 9/10
Three twelfths is equal to one fourth, which is equal to two eights.
Four minus two and three-eighths equals one and five-eighths.
Converting to twelfths gives 9 twelfths minus 8 twelfths which is 1 twelfth.
Two and three-eighths
Three eighths minus one fourth is one eighth.