Subtract 63/3 from 18/90
1st number: 18/90, 2nd number: 21 0/3
18/90 - 63/3 is -104/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
63/3 = 63 × 30/3 × 30 = 1890/90 - Subtract the two like fractions:
18/90 - 1890/90 = 18 - 1890/90 = -1872/90 - After reducing the fraction, the answer is -104/5
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