Subtract 7/28 from 45/18
1st number: 2 9/18, 2nd number: 7/28
45/18 - 7/28 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
45/18 = 45 × 14/18 × 14 = 630/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Subtract the two like fractions:
630/252 - 63/252 = 630 - 63/252 = 567/252 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
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