Add 72/18 and 36/42
1st number: 4 0/18, 2nd number: 36/42
72/18 + 36/42 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
36/42 = 36 × 3/42 × 3 = 108/126 - Add the two like fractions:
504/126 + 108/126 = 504 + 108/126 = 612/126 - 612/126 simplified gives 34/7
- So, 72/18 + 36/42 = 34/7
In mixed form: 46/7
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