Add 1/15 and 45/42, Solve 1/15 + 1 3/42 as a fraction

Add 1/15 and 45/42

1^st number: 1/15, 2^nd number: 1 3/42

1/15 + 45/42 is 239/210.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
1/15 = 1 × 14/15 × 14 = 14/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Add the two like fractions:
14/210 + 225/210 = 14 + 225/210 = 239/210
So, 1/15 + 45/42 = 239/210
In mixed form: 129/210

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