Add 21/9 and 42/4
1st number: 2 3/9, 2nd number: 10 2/4
21/9 + 42/4 is 77/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Add the two like fractions:
84/36 + 378/36 = 84 + 378/36 = 462/36 - 462/36 simplified gives 77/6
- So, 21/9 + 42/4 = 77/6
In mixed form: 125/6
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