Add 81/36 and 18/7
1st number: 2 9/36, 2nd number: 2 4/7
81/36 + 18/7 is 135/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
18/7 = 18 × 36/7 × 36 = 648/252 - Add the two like fractions:
567/252 + 648/252 = 567 + 648/252 = 1215/252 - 1215/252 simplified gives 135/28
- So, 81/36 + 18/7 = 135/28
In mixed form: 423/28
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