Add 21/30 and 36/10
1st number: 21/30, 2nd number: 3 6/10
21/30 + 36/10 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
36/10 = 36 × 3/10 × 3 = 108/30 - Add the two like fractions:
21/30 + 108/30 = 21 + 108/30 = 129/30 - 129/30 simplified gives 43/10
- So, 21/30 + 36/10 = 43/10
In mixed form: 43/10
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