Add 54/36 and 42/7
1st number: 1 18/36, 2nd number: 6 0/7
54/36 + 42/7 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 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 7 × 36 = 252,
42/7 = 42 × 36/7 × 36 = 1512/252 - Add the two like fractions:
378/252 + 1512/252 = 378 + 1512/252 = 1890/252 - 1890/252 simplified gives 15/2
- So, 54/36 + 42/7 = 15/2
In mixed form: 71/2
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