Add 21/30 and 36/20
1st number: 21/30, 2nd number: 1 16/20
21/30 + 36/20 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
21/30 = 21 × 2/30 × 2 = 42/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
36/20 = 36 × 3/20 × 3 = 108/60 - Add the two like fractions:
42/60 + 108/60 = 42 + 108/60 = 150/60 - 150/60 simplified gives 5/2
- So, 21/30 + 36/20 = 5/2
In mixed form: 21/2
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