Add 81/20 and 1/49
1st number: 4 1/20, 2nd number: 1/49
81/20 + 1/49 is 3989/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
81/20 = 81 × 49/20 × 49 = 3969/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
1/49 = 1 × 20/49 × 20 = 20/980 - Add the two like fractions:
3969/980 + 20/980 = 3969 + 20/980 = 3989/980 - So, 81/20 + 1/49 = 3989/980
In mixed form: 469/980
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