8/7 - 9/7 as a fraction

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

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

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

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

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8/7 minus 9/7 as a decimal
8/7 - 9/7 = -1/7
-1/7 = -0.1429
(8/7) - (9/7) as a decimal is -0.1429

where
-0.1429 is the difference between 8/7 and 9/7.