Subtract 1/81 from 25/10
1st number: 2 5/10, 2nd number: 1/81
25/10 - 1/81 is 403/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
25/10 = 25 × 81/10 × 81 = 2025/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
1/81 = 1 × 10/81 × 10 = 10/810 - Subtract the two like fractions:
2025/810 - 10/810 = 2025 - 10/810 = 2015/810 - After reducing the fraction, the answer is 403/162
- In mixed form: 279/162
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