Add 81/36 and 16/20
1st number: 2 9/36, 2nd number: 16/20
81/36 + 16/20 is 61/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 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 20 × 9 = 180,
16/20 = 16 × 9/20 × 9 = 144/180 - Add the two like fractions:
405/180 + 144/180 = 405 + 144/180 = 549/180 - 549/180 simplified gives 61/20
- So, 81/36 + 16/20 = 61/20
In mixed form: 31/20
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