Add 21/9 and 15/5
1st number: 2 3/9, 2nd number: 3 0/5
21/9 + 15/5 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
21/9 = 21 × 5/9 × 5 = 105/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
15/5 = 15 × 9/5 × 9 = 135/45 - Add the two like fractions:
105/45 + 135/45 = 105 + 135/45 = 240/45 - 240/45 simplified gives 16/3
- So, 21/9 + 15/5 = 16/3
In mixed form: 51/3
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