Add 12/42 and 9/5
1st number: 12/42, 2nd number: 1 4/5
12/42 + 9/5 is 73/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
9/5 = 9 × 42/5 × 42 = 378/210 - Add the two like fractions:
60/210 + 378/210 = 60 + 378/210 = 438/210 - 438/210 simplified gives 73/35
- So, 12/42 + 9/5 = 73/35
In mixed form: 23/35
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