Subtract 90/27 from 15/35
1st number: 15/35, 2nd number: 3 9/27
15/35 - 90/27 is -61/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
15/35 = 15 × 27/35 × 27 = 405/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
90/27 = 90 × 35/27 × 35 = 3150/945 - Subtract the two like fractions:
405/945 - 3150/945 = 405 - 3150/945 = -2745/945 - After reducing the fraction, the answer is -61/21
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