Add 7/42 and 72/9
1st number: 7/42, 2nd number: 8 0/9
7/42 + 72/9 is 49/6.
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,
7/42 = 7 × 3/42 × 3 = 21/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
72/9 = 72 × 14/9 × 14 = 1008/126 - Add the two like fractions:
21/126 + 1008/126 = 21 + 1008/126 = 1029/126 - 1029/126 simplified gives 49/6
- So, 7/42 + 72/9 = 49/6
In mixed form: 81/6
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