Add 3/42 and 21/9
1st number: 3/42, 2nd number: 2 3/9
3/42 + 21/9 is 101/42.
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,
3/42 = 3 × 3/42 × 3 = 9/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
21/9 = 21 × 14/9 × 14 = 294/126 - Add the two like fractions:
9/126 + 294/126 = 9 + 294/126 = 303/126 - 303/126 simplified gives 101/42
- So, 3/42 + 21/9 = 101/42
In mixed form: 217/42
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