Add 21/98 and 81/10
1st number: 21/98, 2nd number: 8 1/10
21/98 + 81/10 is 291/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
81/10 = 81 × 49/10 × 49 = 3969/490 - Add the two like fractions:
105/490 + 3969/490 = 105 + 3969/490 = 4074/490 - 4074/490 simplified gives 291/35
- So, 21/98 + 81/10 = 291/35
In mixed form: 811/35
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