Subtract 2/5 from 18/98
18/98 - 2/5 is -53/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
18/98 = 18 × 5/98 × 5 = 90/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
2/5 = 2 × 98/5 × 98 = 196/490 - Subtract the two like fractions:
90/490 - 196/490 = 90 - 196/490 = -106/490 - After reducing the fraction, the answer is -53/245
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