Add 12/84 and 80/63
1st number: 12/84, 2nd number: 1 17/63
12/84 + 80/63 is 89/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 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 63 × 4 = 252,
80/63 = 80 × 4/63 × 4 = 320/252 - Add the two like fractions:
36/252 + 320/252 = 36 + 320/252 = 356/252 - 356/252 simplified gives 89/63
- So, 12/84 + 80/63 = 89/63
In mixed form: 126/63
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