Subtract 27/28 from 9/4
1st number: 2 1/4, 2nd number: 27/28
9/4 - 27/28 is 9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
9/4 = 9 × 7/4 × 7 = 63/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
27/28 = 27 × 1/28 × 1 = 27/28 - Subtract the two like fractions:
63/28 - 27/28 = 63 - 27/28 = 36/28 - After reducing the fraction, the answer is 9/7
- In mixed form: 12/7
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