Add 5/18 and 72/42
1st number: 5/18, 2nd number: 1 30/42
5/18 + 72/42 is 251/126.
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,
5/18 = 5 × 7/18 × 7 = 35/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
72/42 = 72 × 3/42 × 3 = 216/126 - Add the two like fractions:
35/126 + 216/126 = 35 + 216/126 = 251/126 - So, 5/18 + 72/42 = 251/126
In mixed form: 1125/126
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