Add 81/18 and 18/28
1st number: 4 9/18, 2nd number: 18/28
81/18 + 18/28 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
81/18 = 81 × 14/18 × 14 = 1134/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Add the two like fractions:
1134/252 + 162/252 = 1134 + 162/252 = 1296/252 - 1296/252 simplified gives 36/7
- So, 81/18 + 18/28 = 36/7
In mixed form: 51/7
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