Add 56/18 and 54/21
1st number: 3 2/18, 2nd number: 2 12/21
56/18 + 54/21 is 358/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
56/18 = 56 × 7/18 × 7 = 392/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
54/21 = 54 × 6/21 × 6 = 324/126 - Add the two like fractions:
392/126 + 324/126 = 392 + 324/126 = 716/126 - 716/126 simplified gives 358/63
- So, 56/18 + 54/21 = 358/63
In mixed form: 543/63
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