Subtract 18/80 from 8/63
8/63 - 18/80 is -247/2520.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
8/63 = 8 × 80/63 × 80 = 640/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
18/80 = 18 × 63/80 × 63 = 1134/5040 - Subtract the two like fractions:
640/5040 - 1134/5040 = 640 - 1134/5040 = -494/5040 - After reducing the fraction, the answer is -247/2520
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