Subtract 9/25 from 21/12
1st number: 1 9/12, 2nd number: 9/25
21/12 - 9/25 is 139/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
9/25 = 9 × 12/25 × 12 = 108/300 - Subtract the two like fractions:
525/300 - 108/300 = 525 - 108/300 = 417/300 - After reducing the fraction, the answer is 139/100
- In mixed form: 139/100
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