Add 21/6 and 30/20
1st number: 3 3/6, 2nd number: 1 10/20
21/6 + 30/20 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Add the two like fractions:
210/60 + 90/60 = 210 + 90/60 = 300/60 - 300/60 simplified gives 5/1
- So, 21/6 + 30/20 = 5/1
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