Add 42/7 and 21/18
1st number: 6 0/7, 2nd number: 1 3/18
42/7 + 21/18 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
21/18 = 21 × 7/18 × 7 = 147/126 - Add the two like fractions:
756/126 + 147/126 = 756 + 147/126 = 903/126 - 903/126 simplified gives 43/6
- So, 42/7 + 21/18 = 43/6
In mixed form: 71/6
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