Subtract 15/80 from 1/84
1/84 - 15/80 is -59/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
1/84 = 1 × 20/84 × 20 = 20/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
15/80 = 15 × 21/80 × 21 = 315/1680 - Subtract the two like fractions:
20/1680 - 315/1680 = 20 - 315/1680 = -295/1680 - After reducing the fraction, the answer is -59/336
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