Subtract 7/28 from 18/9
1st number: 2 0/9, 2nd number: 7/28
18/9 - 7/28 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Subtract the two like fractions:
504/252 - 63/252 = 504 - 63/252 = 441/252 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
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