Subtract 15/25 from 21/9
1st number: 2 3/9, 2nd number: 15/25
21/9 - 15/25 is 26/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
21/9 = 21 × 25/9 × 25 = 525/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
15/25 = 15 × 9/25 × 9 = 135/225 - Subtract the two like fractions:
525/225 - 135/225 = 525 - 135/225 = 390/225 - After reducing the fraction, the answer is 26/15
- In mixed form: 111/15
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