Subtract 1/81 from 30/28
1st number: 1 2/28, 2nd number: 1/81
30/28 - 1/81 is 1201/1134.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
30/28 = 30 × 81/28 × 81 = 2430/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
1/81 = 1 × 28/81 × 28 = 28/2268 - Subtract the two like fractions:
2430/2268 - 28/2268 = 2430 - 28/2268 = 2402/2268 - After reducing the fraction, the answer is 1201/1134
- In mixed form: 167/1134
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