Add 1/7 and 3/18
1/7 + 3/18 is 13/42.
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,
1/7 = 1 × 18/7 × 18 = 18/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Add the two like fractions:
18/126 + 21/126 = 18 + 21/126 = 39/126 - 39/126 simplified gives 13/42
- So, 1/7 + 3/18 = 13/42
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