Add 81/98 and 27/10
1st number: 81/98, 2nd number: 2 7/10
81/98 + 27/10 is 864/245.
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,
81/98 = 81 × 5/98 × 5 = 405/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
27/10 = 27 × 49/10 × 49 = 1323/490 - Add the two like fractions:
405/490 + 1323/490 = 405 + 1323/490 = 1728/490 - 1728/490 simplified gives 864/245
- So, 81/98 + 27/10 = 864/245
In mixed form: 3129/245
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