7/8 - 9/8 as a fraction

Learn how to find what is 7/8 minus 9/8 in fraction form just in a few minutes. We have covered the easiest method to write 7/8 - 9/8 as a fraction and decimal.

Summary: 7/8 minus 9/8 = -1/4
Since both fractions have equal/common denominator, 7/8 minus 9/8 is a like fractions subtraction. Subtracting fractions with common denominator like 7/8 and 9/8, and expressing it in the fraction form is a very simple process. For like fraction subtraction, directly subtract the numerators (7 - 9) 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 (7/8) - (9/8). Because we can take common denominators out when simplifying the fraction subtraction expression (7/8) - (9/8), so the expression becomes 1/8 (7 - 9). By simplifying further, the numerator becomes (7 - 9) = -2, and the denominator remains the same as 8. Therefore, 7/8 - 9/8 as a fraction is -1/4.

CALCULATION: 7/8 - 9/8 as a fraction
7/8 - 9/8 = (?)
7/8 - 9/8 = (7 - 9)/8
= -2/8
= (2 x -1)/(2 x 4)
= -1/4
7/8 - 9/8 = -1/4
7/8 minus 9/8 as a fraction is -1/4.

where
7/8 is a proper fraction as a minuend,
9/8 is a improper fraction as a subtrahend,
-1/4 is the difference between 7/8 and 9/8.

---

7/8 minus 9/8 as a decimal
7/8 - 9/8 = -1/4
-1/4 = -0.25
(7/8) - (9/8) as a decimal is -0.25

where
-0.25 is the difference between 7/8 and 9/8.