Add 81/2 and 21/98
1st number: 40 1/2, 2nd number: 21/98
81/2 + 21/98 is 285/7.
Steps for adding 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,
21/98 = 21 × 1/98 × 1 = 21/98 - Add the two like fractions:
3969/98 + 21/98 = 3969 + 21/98 = 3990/98 - 3990/98 simplified gives 285/7
- So, 81/2 + 21/98 = 285/7
In mixed form: 405/7
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