Subtract 9/4 from 15/28
1st number: 15/28, 2nd number: 2 1/4
15/28 - 9/4 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
9/4 = 9 × 7/4 × 7 = 63/28 - Subtract the two like fractions:
15/28 - 63/28 = 15 - 63/28 = -48/28 - After reducing the fraction, the answer is -12/7
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