Add 45/84 and 80/63
1st number: 45/84, 2nd number: 1 17/63
45/84 + 80/63 is 65/36.
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,
45/84 = 45 × 3/84 × 3 = 135/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
80/63 = 80 × 4/63 × 4 = 320/252 - Add the two like fractions:
135/252 + 320/252 = 135 + 320/252 = 455/252 - 455/252 simplified gives 65/36
- So, 45/84 + 80/63 = 65/36
In mixed form: 129/36
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