Subtract 42/6 from 80/18
1st number: 4 8/18, 2nd number: 7 0/6
80/18 - 42/6 is -23/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
42/6 = 42 × 3/6 × 3 = 126/18 - Subtract the two like fractions:
80/18 - 126/18 = 80 - 126/18 = -46/18 - After reducing the fraction, the answer is -23/9
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