Subtract 48/72 from 18/98
18/98 - 48/72 is -71/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
18/98 = 18 × 36/98 × 36 = 648/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
48/72 = 48 × 49/72 × 49 = 2352/3528 - Subtract the two like fractions:
648/3528 - 2352/3528 = 648 - 2352/3528 = -1704/3528 - After reducing the fraction, the answer is -71/147
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