Add 54/36 and 20/42
1st number: 1 18/36, 2nd number: 20/42
54/36 + 20/42 is 83/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
54/36 = 54 × 7/36 × 7 = 378/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
20/42 = 20 × 6/42 × 6 = 120/252 - Add the two like fractions:
378/252 + 120/252 = 378 + 120/252 = 498/252 - 498/252 simplified gives 83/42
- So, 54/36 + 20/42 = 83/42
In mixed form: 141/42
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