Add 21/9 and 56/30
1st number: 2 3/9, 2nd number: 1 26/30
21/9 + 56/30 is 21/5.
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,
56/30 = 56 × 3/30 × 3 = 168/90 - Add the two like fractions:
210/90 + 168/90 = 210 + 168/90 = 378/90 - 378/90 simplified gives 21/5
- So, 21/9 + 56/30 = 21/5
In mixed form: 41/5
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