Subtract 21/6 from 9/28
1st number: 9/28, 2nd number: 3 3/6
9/28 - 21/6 is -89/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
9/28 = 9 × 3/28 × 3 = 27/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
21/6 = 21 × 14/6 × 14 = 294/84 - Subtract the two like fractions:
27/84 - 294/84 = 27 - 294/84 = -267/84 - After reducing the fraction, the answer is -89/28
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