Subtract 81/20 from 36/98
1st number: 36/98, 2nd number: 4 1/20
36/98 - 81/20 is -3609/980.
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,
36/98 = 36 × 10/98 × 10 = 360/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
81/20 = 81 × 49/20 × 49 = 3969/980 - Subtract the two like fractions:
360/980 - 3969/980 = 360 - 3969/980 = -3609/980
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