Add 12/63 and 28/84
12/63 + 28/84 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
12/63 = 12 × 4/63 × 4 = 48/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
28/84 = 28 × 3/84 × 3 = 84/252 - Add the two like fractions:
48/252 + 84/252 = 48 + 84/252 = 132/252 - 132/252 simplified gives 11/21
- So, 12/63 + 28/84 = 11/21
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