Add 21/10 and 9/6
1st number: 2 1/10, 2nd number: 1 3/6
21/10 + 9/6 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
9/6 = 9 × 5/6 × 5 = 45/30 - Add the two like fractions:
63/30 + 45/30 = 63 + 45/30 = 108/30 - 108/30 simplified gives 18/5
- So, 21/10 + 9/6 = 18/5
In mixed form: 33/5
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