Subtract 21/9 from 6/28
1st number: 6/28, 2nd number: 2 3/9
6/28 - 21/9 is -89/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
6/28 = 6 × 9/28 × 9 = 54/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
21/9 = 21 × 28/9 × 28 = 588/252 - Subtract the two like fractions:
54/252 - 588/252 = 54 - 588/252 = -534/252 - After reducing the fraction, the answer is -89/42
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