Add 15/9 and 12/42
1st number: 1 6/9, 2nd number: 12/42
15/9 + 12/42 is 41/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
15/9 = 15 × 14/9 × 14 = 210/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
12/42 = 12 × 3/42 × 3 = 36/126 - Add the two like fractions:
210/126 + 36/126 = 210 + 36/126 = 246/126 - 246/126 simplified gives 41/21
- So, 15/9 + 12/42 = 41/21
In mixed form: 120/21
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