Subtract 30/98 from 81/2
1st number: 40 1/2, 2nd number: 30/98
81/2 - 30/98 is 3939/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 98 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
81/2 = 81 × 49/2 × 49 = 3969/98 - Likewise, for the 2nd fraction, since 98 × 1 = 98,
30/98 = 30 × 1/98 × 1 = 30/98 - Subtract the two like fractions:
3969/98 - 30/98 = 3969 - 30/98 = 3939/98 - In mixed form: 4019/98
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