Add 45/63 and 80/84
45/63 + 80/84 is 5/3.
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,
45/63 = 45 × 4/63 × 4 = 180/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
80/84 = 80 × 3/84 × 3 = 240/252 - Add the two like fractions:
180/252 + 240/252 = 180 + 240/252 = 420/252 - 420/252 simplified gives 5/3
- So, 45/63 + 80/84 = 5/3
In mixed form: 12/3
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