Add 36/70 and 54/42, Solve 36/70 + 1 12/42 as a fraction

Add 36/70 and 54/42

1^st number: 36/70, 2^nd number: 1 12/42

36/70 + 54/42 is 9/5.

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,
36/70 = 36 × 3/70 × 3 = 108/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210
Add the two like fractions:
108/210 + 270/210 = 108 + 270/210 = 378/210
378/210 simplified gives 9/5
So, 36/70 + 54/42 = 9/5
In mixed form: 14/5

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