Add 84/42 and 21/24
1st number: 2 0/42, 2nd number: 21/24
84/42 + 21/24 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
84/42 = 84 × 4/42 × 4 = 336/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Add the two like fractions:
336/168 + 147/168 = 336 + 147/168 = 483/168 - 483/168 simplified gives 23/8
- So, 84/42 + 21/24 = 23/8
In mixed form: 27/8
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