Add 30/20 and 81/49
1st number: 1 10/20, 2nd number: 1 32/49
30/20 + 81/49 is 309/98.
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,
30/20 = 30 × 49/20 × 49 = 1470/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
81/49 = 81 × 20/49 × 20 = 1620/980 - Add the two like fractions:
1470/980 + 1620/980 = 1470 + 1620/980 = 3090/980 - 3090/980 simplified gives 309/98
- So, 30/20 + 81/49 = 309/98
In mixed form: 315/98
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