Subtract 72/21 from 27/25
1st number: 1 2/25, 2nd number: 3 9/21
27/25 - 72/21 is -411/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
27/25 = 27 × 21/25 × 21 = 567/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
72/21 = 72 × 25/21 × 25 = 1800/525 - Subtract the two like fractions:
567/525 - 1800/525 = 567 - 1800/525 = -1233/525 - After reducing the fraction, the answer is -411/175
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