Add 28/24 and 21/18
1st number: 1 4/24, 2nd number: 1 3/18
28/24 + 21/18 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
28/24 = 28 × 3/24 × 3 = 84/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
21/18 = 21 × 4/18 × 4 = 84/72 - Add the two like fractions:
84/72 + 84/72 = 84 + 84/72 = 168/72 - 168/72 simplified gives 7/3
- So, 28/24 + 21/18 = 7/3
In mixed form: 21/3
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