Add 21/9 and 25/30
1st number: 2 3/9, 2nd number: 25/30
21/9 + 25/30 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
21/9 = 21 × 10/9 × 10 = 210/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
25/30 = 25 × 3/30 × 3 = 75/90 - Add the two like fractions:
210/90 + 75/90 = 210 + 75/90 = 285/90 - 285/90 simplified gives 19/6
- So, 21/9 + 25/30 = 19/6
In mixed form: 31/6
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