Add 84/63 and 2/12
1st number: 1 21/63, 2nd number: 2/12
84/63 + 2/12 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
2/12 = 2 × 21/12 × 21 = 42/252 - Add the two like fractions:
336/252 + 42/252 = 336 + 42/252 = 378/252 - 378/252 simplified gives 3/2
- So, 84/63 + 2/12 = 3/2
In mixed form: 11/2
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