Add 81/60 and 84/98
1st number: 1 21/60, 2nd number: 84/98
81/60 + 84/98 is 309/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
81/60 = 81 × 49/60 × 49 = 3969/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
84/98 = 84 × 30/98 × 30 = 2520/2940 - Add the two like fractions:
3969/2940 + 2520/2940 = 3969 + 2520/2940 = 6489/2940 - 6489/2940 simplified gives 309/140
- So, 81/60 + 84/98 = 309/140
In mixed form: 229/140
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