Add 18/84 and 56/63
18/84 + 56/63 is 139/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
18/84 = 18 × 3/84 × 3 = 54/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Add the two like fractions:
54/252 + 224/252 = 54 + 224/252 = 278/252 - 278/252 simplified gives 139/126
- So, 18/84 + 56/63 = 139/126
In mixed form: 113/126
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