Add 28/48 and 21/9
1st number: 28/48, 2nd number: 2 3/9
28/48 + 21/9 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Add the two like fractions:
84/144 + 336/144 = 84 + 336/144 = 420/144 - 420/144 simplified gives 35/12
- So, 28/48 + 21/9 = 35/12
In mixed form: 211/12
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