Add 21/9 and 20/24
1st number: 2 3/9, 2nd number: 20/24
21/9 + 20/24 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
21/9 = 21 × 8/9 × 8 = 168/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72 - Add the two like fractions:
168/72 + 60/72 = 168 + 60/72 = 228/72 - 228/72 simplified gives 19/6
- So, 21/9 + 20/24 = 19/6
In mixed form: 31/6
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