Add 12/49 and 81/20
1st number: 12/49, 2nd number: 4 1/20
12/49 + 81/20 is 4209/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
12/49 = 12 × 20/49 × 20 = 240/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
81/20 = 81 × 49/20 × 49 = 3969/980 - Add the two like fractions:
240/980 + 3969/980 = 240 + 3969/980 = 4209/980 - So, 12/49 + 81/20 = 4209/980
In mixed form: 4289/980
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