Add 84/56 and 12/63
1st number: 1 28/56, 2nd number: 12/63
84/56 + 12/63 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
84/56 = 84 × 9/56 × 9 = 756/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
12/63 = 12 × 8/63 × 8 = 96/504 - Add the two like fractions:
756/504 + 96/504 = 756 + 96/504 = 852/504 - 852/504 simplified gives 71/42
- So, 84/56 + 12/63 = 71/42
In mixed form: 129/42
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