3/8 - 7/8 as a fraction

Learn how to find what is 3/8 minus 7/8 in fraction form just in a few minutes. We have covered the easiest method to write 3/8 - 7/8 as a fraction and decimal.

Summary: 3/8 minus 7/8 = -1/2
Since both fractions have equal/common denominator, 3/8 minus 7/8 is a like fractions subtraction. Subtracting fractions with common denominator like 3/8 and 7/8, and expressing it in the fraction form is a very simple process. For like fraction subtraction, directly subtract the numerators (3 - 7) 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 (3/8) - (7/8). Because we can take common denominators out when simplifying the fraction subtraction expression (3/8) - (7/8), so the expression becomes 1/8 (3 - 7). By simplifying further, the numerator becomes (3 - 7) = -4, and the denominator remains the same as 8. Therefore, 3/8 - 7/8 as a fraction is -1/2.

CALCULATION: 3/8 - 7/8 as a fraction
3/8 - 7/8 = (?)
3/8 - 7/8 = (3 - 7)/8
= -4/8
= (4 x -1)/(4 x 2)
= -1/2
3/8 - 7/8 = -1/2
3/8 minus 7/8 as a fraction is -1/2.

where
3/8 is a proper fraction as a minuend,
7/8 is a proper fraction as a subtrahend,
-1/2 is the difference between 3/8 and 7/8.

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3/8 minus 7/8 as a decimal
3/8 - 7/8 = -1/2
-1/2 = -0.5
(3/8) - (7/8) as a decimal is -0.5

where
-0.5 is the difference between 3/8 and 7/8.