Subtract 18/98 from 8/72
8/72 - 18/98 is -32/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
8/72 = 8 × 49/72 × 49 = 392/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
18/98 = 18 × 36/98 × 36 = 648/3528 - Subtract the two like fractions:
392/3528 - 648/3528 = 392 - 648/3528 = -256/3528 - After reducing the fraction, the answer is -32/441
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