1/8 - 3/8 as a fraction

Learn how to find what is 1/8 minus 3/8 in fraction form just in a few minutes. We have covered the easiest method to write 1/8 - 3/8 as a fraction and decimal.

Summary: 1/8 minus 3/8 = -1/4
Since both fractions have equal/common denominator, 1/8 minus 3/8 is a like fractions subtraction. Subtracting fractions with common denominator like 1/8 and 3/8, and expressing it in the fraction form is a very simple process. For like fraction subtraction, directly subtract the numerators (1 - 3) while keeping the common denominator as it is. You may wonder why the numerators alone are being subtracted and not the denominators in the expression (1/8) - (3/8). Because we can take common denominators out when simplifying the fraction subtraction expression (1/8) - (3/8), so the expression becomes 1/8 (1 - 3). By simplifying further, the numerator becomes (1 - 3) = -2, and the denominator remains the same as 8. Therefore, 1/8 - 3/8 as a fraction is -1/4.

CALCULATION: 1/8 - 3/8 as a fraction
1/8 - 3/8 = (?)
1/8 - 3/8 = (1 - 3)/8
= -2/8
= (2 x -1)/(2 x 4)
= -1/4
1/8 - 3/8 = -1/4
1/8 minus 3/8 as a fraction is -1/4.

where
1/8 is a proper fraction as a minuend,
3/8 is a proper fraction as a subtrahend,
-1/4 is the difference between 1/8 and 3/8.

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1/8 minus 3/8 as a decimal
1/8 - 3/8 = -1/4
-1/4 = -0.25
(1/8) - (3/8) as a decimal is -0.25

where
-0.25 is the difference between 1/8 and 3/8.