Add 72/42 and 9/18
1st number: 1 30/42, 2nd number: 9/18
72/42 + 9/18 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
72/42 = 72 × 3/42 × 3 = 216/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
9/18 = 9 × 7/18 × 7 = 63/126 - Add the two like fractions:
216/126 + 63/126 = 216 + 63/126 = 279/126 - 279/126 simplified gives 31/14
- So, 72/42 + 9/18 = 31/14
In mixed form: 23/14
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