Add 15/42 and 27/15
1st number: 15/42, 2nd number: 1 12/15
15/42 + 27/15 is 151/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
27/15 = 27 × 14/15 × 14 = 378/210 - Add the two like fractions:
75/210 + 378/210 = 75 + 378/210 = 453/210 - 453/210 simplified gives 151/70
- So, 15/42 + 27/15 = 151/70
In mixed form: 211/70
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