Subtract 42/6 from 45/9
1st number: 5 0/9, 2nd number: 7 0/6
45/9 - 42/6 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
45/9 = 45 × 2/9 × 2 = 90/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
42/6 = 42 × 3/6 × 3 = 126/18 - Subtract the two like fractions:
90/18 - 126/18 = 90 - 126/18 = -36/18 - After reducing the fraction, the answer is -2/1
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