Subtract 90/3 from 42/2
1st number: 21 0/2, 2nd number: 30 0/3
42/2 - 90/3 is -9/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 3 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
42/2 = 42 × 3/2 × 3 = 126/6 - Likewise, for the 2nd fraction, since 3 × 2 = 6,
90/3 = 90 × 2/3 × 2 = 180/6 - Subtract the two like fractions:
126/6 - 180/6 = 126 - 180/6 = -54/6 - After reducing the fraction, the answer is -9/1
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