Add 45/63 and 12/9
1st number: 45/63, 2nd number: 1 3/9
45/63 + 12/9 is 43/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
45/63 = 45 × 1/63 × 1 = 45/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
12/9 = 12 × 7/9 × 7 = 84/63 - Add the two like fractions:
45/63 + 84/63 = 45 + 84/63 = 129/63 - 129/63 simplified gives 43/21
- So, 45/63 + 12/9 = 43/21
In mixed form: 21/21
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