Subtract 40/20 from 28/98
1st number: 28/98, 2nd number: 2 0/20
28/98 - 40/20 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
28/98 = 28 × 10/98 × 10 = 280/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
40/20 = 40 × 49/20 × 49 = 1960/980 - Subtract the two like fractions:
280/980 - 1960/980 = 280 - 1960/980 = -1680/980 - After reducing the fraction, the answer is -12/7
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