Add 9/21 and 28/24
1st number: 9/21, 2nd number: 1 4/24
9/21 + 28/24 is 67/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
9/21 = 9 × 8/21 × 8 = 72/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
28/24 = 28 × 7/24 × 7 = 196/168 - Add the two like fractions:
72/168 + 196/168 = 72 + 196/168 = 268/168 - 268/168 simplified gives 67/42
- So, 9/21 + 28/24 = 67/42
In mixed form: 125/42
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