Subtract 25/28 from 24/27
24/27 - 25/28 is -1/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
24/27 = 24 × 28/27 × 28 = 672/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
25/28 = 25 × 27/28 × 27 = 675/756 - Subtract the two like fractions:
672/756 - 675/756 = 672 - 675/756 = -3/756 - After reducing the fraction, the answer is -1/252
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