Add 12/63 and 81/7
1st number: 12/63, 2nd number: 11 4/7
12/63 + 81/7 is 247/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
81/7 = 81 × 9/7 × 9 = 729/63 - Add the two like fractions:
12/63 + 729/63 = 12 + 729/63 = 741/63 - 741/63 simplified gives 247/21
- So, 12/63 + 81/7 = 247/21
In mixed form: 1116/21
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