Add 81/10 and 20/98
1st number: 8 1/10, 2nd number: 20/98
81/10 + 20/98 is 4069/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
81/10 = 81 × 49/10 × 49 = 3969/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Add the two like fractions:
3969/490 + 100/490 = 3969 + 100/490 = 4069/490 - So, 81/10 + 20/98 = 4069/490
In mixed form: 8149/490
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