Add 12/70 and 49/42, Solve 12/70 + 1 7/42 as a fraction

Add 12/70 and 49/42

1^st number: 12/70, 2^nd number: 1 7/42

12/70 + 49/42 is 281/210.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
49/42 = 49 × 5/42 × 5 = 245/210
Add the two like fractions:
36/210 + 245/210 = 36 + 245/210 = 281/210
So, 12/70 + 49/42 = 281/210
In mixed form: 171/210

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