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