Add 84/18 and 8/28
1st number: 4 12/18, 2nd number: 8/28
84/18 + 8/28 is 104/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
84/18 = 84 × 14/18 × 14 = 1176/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
8/28 = 8 × 9/28 × 9 = 72/252 - Add the two like fractions:
1176/252 + 72/252 = 1176 + 72/252 = 1248/252 - 1248/252 simplified gives 104/21
- So, 84/18 + 8/28 = 104/21
In mixed form: 420/21
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