Add 9/42 and 20/3
1st number: 9/42, 2nd number: 6 2/3
9/42 + 20/3 is 289/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
9/42 = 9 × 1/42 × 1 = 9/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
20/3 = 20 × 14/3 × 14 = 280/42 - Add the two like fractions:
9/42 + 280/42 = 9 + 280/42 = 289/42 - So, 9/42 + 20/3 = 289/42
In mixed form: 637/42
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