Subtract 21/81 from 75/35
1st number: 2 5/35, 2nd number: 21/81
75/35 - 21/81 is 356/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
75/35 = 75 × 81/35 × 81 = 6075/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
21/81 = 21 × 35/81 × 35 = 735/2835 - Subtract the two like fractions:
6075/2835 - 735/2835 = 6075 - 735/2835 = 5340/2835 - After reducing the fraction, the answer is 356/189
- In mixed form: 1167/189
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