Add 54/42 and 20/9
1st number: 1 12/42, 2nd number: 2 2/9
54/42 + 20/9 is 221/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
54/42 = 54 × 3/42 × 3 = 162/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
20/9 = 20 × 14/9 × 14 = 280/126 - Add the two like fractions:
162/126 + 280/126 = 162 + 280/126 = 442/126 - 442/126 simplified gives 221/63
- So, 54/42 + 20/9 = 221/63
In mixed form: 332/63
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