Add 12/70 and 50/42, Solve 12/70 + 1 8/42 as a fraction

Add 12/70 and 50/42

1^st number: 12/70, 2^nd number: 1 8/42

12/70 + 50/42 is 143/105.

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,
50/42 = 50 × 5/42 × 5 = 250/210
Add the two like fractions:
36/210 + 250/210 = 36 + 250/210 = 286/210
286/210 simplified gives 143/105
So, 12/70 + 50/42 = 143/105
In mixed form: 138/105

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