Add 21/5 and 6/20
1st number: 4 1/5, 2nd number: 6/20
21/5 + 6/20 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
21/5 = 21 × 4/5 × 4 = 84/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
6/20 = 6 × 1/20 × 1 = 6/20 - Add the two like fractions:
84/20 + 6/20 = 84 + 6/20 = 90/20 - 90/20 simplified gives 9/2
- So, 21/5 + 6/20 = 9/2
In mixed form: 41/2
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