Subtract 90/8 from 27/36
1st number: 27/36, 2nd number: 11 2/8
27/36 - 90/8 is -21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
27/36 = 27 × 2/36 × 2 = 54/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Subtract the two like fractions:
54/72 - 810/72 = 54 - 810/72 = -756/72 - After reducing the fraction, the answer is -21/2
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