Add 14/18 and 15/42
14/18 + 15/42 is 143/126.
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,
14/18 = 14 × 7/18 × 7 = 98/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
15/42 = 15 × 3/42 × 3 = 45/126 - Add the two like fractions:
98/126 + 45/126 = 98 + 45/126 = 143/126 - So, 14/18 + 15/42 = 143/126
In mixed form: 117/126
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