Add 28/8 and 42/24
1st number: 3 4/8, 2nd number: 1 18/24
28/8 + 42/24 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
28/8 = 28 × 3/8 × 3 = 84/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Add the two like fractions:
84/24 + 42/24 = 84 + 42/24 = 126/24 - 126/24 simplified gives 21/4
- So, 28/8 + 42/24 = 21/4
In mixed form: 51/4
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