Add 5/42 and 12/10, Solve 5/42 + 1 2/10 as a fraction

Add 5/42 and 12/10

1^st number: 5/42, 2^nd number: 1 2/10

5/42 + 12/10 is 277/210.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210
Add the two like fractions:
25/210 + 252/210 = 25 + 252/210 = 277/210
So, 5/42 + 12/10 = 277/210
In mixed form: 167/210

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