Subtract 45/6 from 80/84
1st number: 80/84, 2nd number: 7 3/6
80/84 - 45/6 is -275/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
80/84 = 80 × 1/84 × 1 = 80/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
45/6 = 45 × 14/6 × 14 = 630/84 - Subtract the two like fractions:
80/84 - 630/84 = 80 - 630/84 = -550/84 - After reducing the fraction, the answer is -275/42
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