Subtract 63/80 from 50/84
50/84 - 63/80 is -323/1680.
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,
50/84 = 50 × 20/84 × 20 = 1000/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
63/80 = 63 × 21/80 × 21 = 1323/1680 - Subtract the two like fractions:
1000/1680 - 1323/1680 = 1000 - 1323/1680 = -323/1680
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