Add 36/80 and 21/20
1st number: 36/80, 2nd number: 1 1/20
36/80 + 21/20 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
36/80 = 36 × 1/80 × 1 = 36/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
21/20 = 21 × 4/20 × 4 = 84/80 - Add the two like fractions:
36/80 + 84/80 = 36 + 84/80 = 120/80 - 120/80 simplified gives 3/2
- So, 36/80 + 21/20 = 3/2
In mixed form: 11/2
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