Add 30/8 and 84/4
1st number: 3 6/8, 2nd number: 21 0/4
30/8 + 84/4 is 99/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
30/8 = 30 × 1/8 × 1 = 30/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
84/4 = 84 × 2/4 × 2 = 168/8 - Add the two like fractions:
30/8 + 168/8 = 30 + 168/8 = 198/8 - 198/8 simplified gives 99/4
- So, 30/8 + 84/4 = 99/4
In mixed form: 243/4
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