Add 81/3 and 21/49
1st number: 27 0/3, 2nd number: 21/49
81/3 + 21/49 is 192/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 3 × 49 = 147,
81/3 = 81 × 49/3 × 49 = 3969/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
21/49 = 21 × 3/49 × 3 = 63/147 - Add the two like fractions:
3969/147 + 63/147 = 3969 + 63/147 = 4032/147 - 4032/147 simplified gives 192/7
- So, 81/3 + 21/49 = 192/7
In mixed form: 273/7
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