Add 27/42 and 12/10, Solve 27/42 + 1 2/10 as a fraction

Add 27/42 and 12/10

1^st number: 27/42, 2^nd number: 1 2/10

27/42 + 12/10 is 129/70.

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,
27/42 = 27 × 5/42 × 5 = 135/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210
Add the two like fractions:
135/210 + 252/210 = 135 + 252/210 = 387/210
387/210 simplified gives 129/70
So, 27/42 + 12/10 = 129/70
In mixed form: 159/70

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