Add 12/84 and 63/9
1st number: 12/84, 2nd number: 7 0/9
12/84 + 63/9 is 50/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
12/84 = 12 × 3/84 × 3 = 36/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
63/9 = 63 × 28/9 × 28 = 1764/252 - Add the two like fractions:
36/252 + 1764/252 = 36 + 1764/252 = 1800/252 - 1800/252 simplified gives 50/7
- So, 12/84 + 63/9 = 50/7
In mixed form: 71/7
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