Subtract 20/4 from 84/98
1st number: 84/98, 2nd number: 5 0/4
84/98 - 20/4 is -29/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
84/98 = 84 × 2/98 × 2 = 168/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
20/4 = 20 × 49/4 × 49 = 980/196 - Subtract the two like fractions:
168/196 - 980/196 = 168 - 980/196 = -812/196 - After reducing the fraction, the answer is -29/7
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