Subtract 27/12 from 18/35
1st number: 18/35, 2nd number: 2 3/12
18/35 - 27/12 is -243/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
18/35 = 18 × 12/35 × 12 = 216/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
27/12 = 27 × 35/12 × 35 = 945/420 - Subtract the two like fractions:
216/420 - 945/420 = 216 - 945/420 = -729/420 - After reducing the fraction, the answer is -243/140
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