Add 6/42 and 72/9
1st number: 6/42, 2nd number: 8 0/9
6/42 + 72/9 is 57/7.
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,
6/42 = 6 × 3/42 × 3 = 18/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
72/9 = 72 × 14/9 × 14 = 1008/126 - Add the two like fractions:
18/126 + 1008/126 = 18 + 1008/126 = 1026/126 - 1026/126 simplified gives 57/7
- So, 6/42 + 72/9 = 57/7
In mixed form: 81/7
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