Subtract 21/9 from 75/28
1st number: 2 19/28, 2nd number: 2 3/9
75/28 - 21/9 is 29/84.
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,
75/28 = 75 × 9/28 × 9 = 675/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
21/9 = 21 × 28/9 × 28 = 588/252 - Subtract the two like fractions:
675/252 - 588/252 = 675 - 588/252 = 87/252 - After reducing the fraction, the answer is 29/84
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