Subtract 21/36 from 81/25
1st number: 3 6/25, 2nd number: 21/36
81/25 - 21/36 is 797/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
81/25 = 81 × 36/25 × 36 = 2916/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Subtract the two like fractions:
2916/900 - 525/900 = 2916 - 525/900 = 2391/900 - After reducing the fraction, the answer is 797/300
- In mixed form: 2197/300
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