Add 90/18 and 80/84
1st number: 5 0/18, 2nd number: 80/84
90/18 + 80/84 is 125/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
90/18 = 90 × 14/18 × 14 = 1260/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
80/84 = 80 × 3/84 × 3 = 240/252 - Add the two like fractions:
1260/252 + 240/252 = 1260 + 240/252 = 1500/252 - 1500/252 simplified gives 125/21
- So, 90/18 + 80/84 = 125/21
In mixed form: 520/21
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