Add 84/7 and 40/18
1st number: 12 0/7, 2nd number: 2 4/18
84/7 + 40/18 is 128/9.
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,
84/7 = 84 × 18/7 × 18 = 1512/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Add the two like fractions:
1512/126 + 280/126 = 1512 + 280/126 = 1792/126 - 1792/126 simplified gives 128/9
- So, 84/7 + 40/18 = 128/9
In mixed form: 142/9
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