Subtract 42/4 from 27/45
1st number: 27/45, 2nd number: 10 2/4
27/45 - 42/4 is -99/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
27/45 = 27 × 4/45 × 4 = 108/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
42/4 = 42 × 45/4 × 45 = 1890/180 - Subtract the two like fractions:
108/180 - 1890/180 = 108 - 1890/180 = -1782/180 - After reducing the fraction, the answer is -99/10
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