Add 81/18 and 70/49
1st number: 4 9/18, 2nd number: 1 21/49
81/18 + 70/49 is 83/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
81/18 = 81 × 49/18 × 49 = 3969/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
70/49 = 70 × 18/49 × 18 = 1260/882 - Add the two like fractions:
3969/882 + 1260/882 = 3969 + 1260/882 = 5229/882 - 5229/882 simplified gives 83/14
- So, 81/18 + 70/49 = 83/14
In mixed form: 513/14
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