Add 20/98 and 81/20
1st number: 20/98, 2nd number: 4 1/20
20/98 + 81/20 is 4169/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
20/98 = 20 × 10/98 × 10 = 200/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
81/20 = 81 × 49/20 × 49 = 3969/980 - Add the two like fractions:
200/980 + 3969/980 = 200 + 3969/980 = 4169/980 - So, 20/98 + 81/20 = 4169/980
In mixed form: 4249/980
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