Add 21/36 and 28/16
1st number: 21/36, 2nd number: 1 12/16
21/36 + 28/16 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
21/36 = 21 × 4/36 × 4 = 84/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
28/16 = 28 × 9/16 × 9 = 252/144 - Add the two like fractions:
84/144 + 252/144 = 84 + 252/144 = 336/144 - 336/144 simplified gives 7/3
- So, 21/36 + 28/16 = 7/3
In mixed form: 21/3
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