Add 14/12 and 84/63
1st number: 1 2/12, 2nd number: 1 21/63
14/12 + 84/63 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
14/12 = 14 × 21/12 × 21 = 294/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Add the two like fractions:
294/252 + 336/252 = 294 + 336/252 = 630/252 - 630/252 simplified gives 5/2
- So, 14/12 + 84/63 = 5/2
In mixed form: 21/2
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