Add 81/36 and 81/60
1st number: 2 9/36, 2nd number: 1 21/60
81/36 + 81/60 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Add the two like fractions:
405/180 + 243/180 = 405 + 243/180 = 648/180 - 648/180 simplified gives 18/5
- So, 81/36 + 81/60 = 18/5
In mixed form: 33/5
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