Subtract 7/10 from 49/98
49/98 - 7/10 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
49/98 = 49 × 5/98 × 5 = 245/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
7/10 = 7 × 49/10 × 49 = 343/490 - Subtract the two like fractions:
245/490 - 343/490 = 245 - 343/490 = -98/490 - After reducing the fraction, the answer is -1/5
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