Subtract 15/35 from 42/27
1st number: 1 15/27, 2nd number: 15/35
42/27 - 15/35 is 71/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
42/27 = 42 × 35/27 × 35 = 1470/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
15/35 = 15 × 27/35 × 27 = 405/945 - Subtract the two like fractions:
1470/945 - 405/945 = 1470 - 405/945 = 1065/945 - After reducing the fraction, the answer is 71/63
- In mixed form: 18/63
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