Add 84/63 and 12/56
1st number: 1 21/63, 2nd number: 12/56
84/63 + 12/56 is 65/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
12/56 = 12 × 9/56 × 9 = 108/504 - Add the two like fractions:
672/504 + 108/504 = 672 + 108/504 = 780/504 - 780/504 simplified gives 65/42
- So, 84/63 + 12/56 = 65/42
In mixed form: 123/42
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