Add 7/24 and 84/21
1st number: 7/24, 2nd number: 4 0/21
7/24 + 84/21 is 103/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
7/24 = 7 × 7/24 × 7 = 49/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
84/21 = 84 × 8/21 × 8 = 672/168 - Add the two like fractions:
49/168 + 672/168 = 49 + 672/168 = 721/168 - 721/168 simplified gives 103/24
- So, 7/24 + 84/21 = 103/24
In mixed form: 47/24
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