Add 45/18 and 30/84
1st number: 2 9/18, 2nd number: 30/84
45/18 + 30/84 is 20/7.
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,
45/18 = 45 × 14/18 × 14 = 630/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Add the two like fractions:
630/252 + 90/252 = 630 + 90/252 = 720/252 - 720/252 simplified gives 20/7
- So, 45/18 + 30/84 = 20/7
In mixed form: 26/7
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