Subtract 75/27 from 42/7
1st number: 6 0/7, 2nd number: 2 21/27
42/7 - 75/27 is 29/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
42/7 = 42 × 27/7 × 27 = 1134/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
75/27 = 75 × 7/27 × 7 = 525/189 - Subtract the two like fractions:
1134/189 - 525/189 = 1134 - 525/189 = 609/189 - After reducing the fraction, the answer is 29/9
- In mixed form: 32/9
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