Subtract 18/25 from 54/21
1st number: 2 12/21, 2nd number: 18/25
54/21 - 18/25 is 324/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
54/21 = 54 × 25/21 × 25 = 1350/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
18/25 = 18 × 21/25 × 21 = 378/525 - Subtract the two like fractions:
1350/525 - 378/525 = 1350 - 378/525 = 972/525 - After reducing the fraction, the answer is 324/175
- In mixed form: 1149/175
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