Add 9/20 and 21/6
1st number: 9/20, 2nd number: 3 3/6
9/20 + 21/6 is 79/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Add the two like fractions:
27/60 + 210/60 = 27 + 210/60 = 237/60 - 237/60 simplified gives 79/20
- So, 9/20 + 21/6 = 79/20
In mixed form: 319/20
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