Subtract 35/27 from 80/21
1st number: 3 17/21, 2nd number: 1 8/27
80/21 - 35/27 is 475/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
80/21 = 80 × 9/21 × 9 = 720/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
35/27 = 35 × 7/27 × 7 = 245/189 - Subtract the two like fractions:
720/189 - 245/189 = 720 - 245/189 = 475/189 - In mixed form: 297/189
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