Add 21/48 and 18/9
1st number: 21/48, 2nd number: 2 0/9
21/48 + 18/9 is 39/16.
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,
21/48 = 21 × 3/48 × 3 = 63/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
18/9 = 18 × 16/9 × 16 = 288/144 - Add the two like fractions:
63/144 + 288/144 = 63 + 288/144 = 351/144 - 351/144 simplified gives 39/16
- So, 21/48 + 18/9 = 39/16
In mixed form: 27/16
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