Add 12/42 and 35/15
1st number: 12/42, 2nd number: 2 5/15
12/42 + 35/15 is 55/21.
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,
12/42 = 12 × 5/42 × 5 = 60/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
35/15 = 35 × 14/15 × 14 = 490/210 - Add the two like fractions:
60/210 + 490/210 = 60 + 490/210 = 550/210 - 550/210 simplified gives 55/21
- So, 12/42 + 35/15 = 55/21
In mixed form: 213/21
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