Add 42/12 and 70/9
1st number: 3 6/12, 2nd number: 7 7/9
42/12 + 70/9 is 203/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
42/12 = 42 × 3/12 × 3 = 126/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
70/9 = 70 × 4/9 × 4 = 280/36 - Add the two like fractions:
126/36 + 280/36 = 126 + 280/36 = 406/36 - 406/36 simplified gives 203/18
- So, 42/12 + 70/9 = 203/18
In mixed form: 115/18
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