Add 54/9 and 63/42
1st number: 6 0/9, 2nd number: 1 21/42
54/9 + 63/42 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
54/9 = 54 × 14/9 × 14 = 756/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
63/42 = 63 × 3/42 × 3 = 189/126 - Add the two like fractions:
756/126 + 189/126 = 756 + 189/126 = 945/126 - 945/126 simplified gives 15/2
- So, 54/9 + 63/42 = 15/2
In mixed form: 71/2
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