Add 81/42 and 5/30, Solve 1 39/42 + 5/30 as a fraction

Add 81/42 and 5/30

1^st number: 1 39/42, 2^nd number: 5/30

81/42 + 5/30 is 44/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 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 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210
Add the two like fractions:
405/210 + 35/210 = 405 + 35/210 = 440/210
440/210 simplified gives 44/21
So, 81/42 + 5/30 = 44/21
In mixed form: 22/21

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