Add 75/84 and 20/18
1st number: 75/84, 2nd number: 1 2/18
75/84 + 20/18 is 505/252.
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,
75/84 = 75 × 3/84 × 3 = 225/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252 - Add the two like fractions:
225/252 + 280/252 = 225 + 280/252 = 505/252 - So, 75/84 + 20/18 = 505/252
In mixed form: 21/252
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