Add 12/14 and 54/63
12/14 + 54/63 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
12/14 = 12 × 9/14 × 9 = 108/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
54/63 = 54 × 2/63 × 2 = 108/126 - Add the two like fractions:
108/126 + 108/126 = 108 + 108/126 = 216/126 - 216/126 simplified gives 12/7
- So, 12/14 + 54/63 = 12/7
In mixed form: 15/7
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