Add 84/18 and 7/84
1st number: 4 12/18, 2nd number: 7/84
84/18 + 7/84 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 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 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Add the two like fractions:
1176/252 + 21/252 = 1176 + 21/252 = 1197/252 - 1197/252 simplified gives 19/4
- So, 84/18 + 7/84 = 19/4
In mixed form: 43/4
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