Add 21/5 and 81/6
1st number: 4 1/5, 2nd number: 13 3/6
21/5 + 81/6 is 177/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Add the two like fractions:
126/30 + 405/30 = 126 + 405/30 = 531/30 - 531/30 simplified gives 177/10
- So, 21/5 + 81/6 = 177/10
In mixed form: 177/10
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