Add 81/42 and 1/35, Solve 1 39/42 + 1/35 as a fraction

Add 81/42 and 1/35

1^st number: 1 39/42, 2^nd number: 1/35

81/42 + 1/35 is 137/70.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
81/42 = 81 × 5/42 × 5 = 405/210
Likewise, for the 2nd fraction, since 35 × 6 = 210,
1/35 = 1 × 6/35 × 6 = 6/210
Add the two like fractions:
405/210 + 6/210 = 405 + 6/210 = 411/210
411/210 simplified gives 137/70
So, 81/42 + 1/35 = 137/70
In mixed form: 167/70

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