Add 45/18 and 12/42
1st number: 2 9/18, 2nd number: 12/42
45/18 + 12/42 is 39/14.
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,
45/18 = 45 × 7/18 × 7 = 315/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
12/42 = 12 × 3/42 × 3 = 36/126 - Add the two like fractions:
315/126 + 36/126 = 315 + 36/126 = 351/126 - 351/126 simplified gives 39/14
- So, 45/18 + 12/42 = 39/14
In mixed form: 211/14
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