Subtract 90/3 from 18/4
1st number: 4 2/4, 2nd number: 30 0/3
18/4 - 90/3 is -51/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
18/4 = 18 × 3/4 × 3 = 54/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
90/3 = 90 × 4/3 × 4 = 360/12 - Subtract the two like fractions:
54/12 - 360/12 = 54 - 360/12 = -306/12 - After reducing the fraction, the answer is -51/2
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