Add 80/84 and 45/18
1st number: 80/84, 2nd number: 2 9/18
80/84 + 45/18 is 145/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
80/84 = 80 × 3/84 × 3 = 240/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
45/18 = 45 × 14/18 × 14 = 630/252 - Add the two like fractions:
240/252 + 630/252 = 240 + 630/252 = 870/252 - 870/252 simplified gives 145/42
- So, 80/84 + 45/18 = 145/42
In mixed form: 319/42
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