Subtract 80/90 from 14/84
14/84 - 80/90 is -13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
14/84 = 14 × 15/84 × 15 = 210/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
80/90 = 80 × 14/90 × 14 = 1120/1260 - Subtract the two like fractions:
210/1260 - 1120/1260 = 210 - 1120/1260 = -910/1260 - After reducing the fraction, the answer is -13/18
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