Add 12/18 and 42/10
1st number: 12/18, 2nd number: 4 2/10
12/18 + 42/10 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Add the two like fractions:
60/90 + 378/90 = 60 + 378/90 = 438/90 - 438/90 simplified gives 73/15
- So, 12/18 + 42/10 = 73/15
In mixed form: 413/15
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