Add 18/24 and 21/28
18/24 + 21/28 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
21/28 = 21 × 6/28 × 6 = 126/168 - Add the two like fractions:
126/168 + 126/168 = 126 + 126/168 = 252/168 - 252/168 simplified gives 3/2
- So, 18/24 + 21/28 = 3/2
In mixed form: 11/2
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