Add 40/18 and 42/7
1st number: 2 4/18, 2nd number: 6 0/7
40/18 + 42/7 is 74/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Add the two like fractions:
280/126 + 756/126 = 280 + 756/126 = 1036/126 - 1036/126 simplified gives 74/9
- So, 40/18 + 42/7 = 74/9
In mixed form: 82/9
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