Add 15/7 and 5/18
1st number: 2 1/7, 2nd number: 5/18
15/7 + 5/18 is 305/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
15/7 = 15 × 18/7 × 18 = 270/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126 - Add the two like fractions:
270/126 + 35/126 = 270 + 35/126 = 305/126 - So, 15/7 + 5/18 = 305/126
In mixed form: 253/126
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