Add 81/42 and 10/36, Solve 1 39/42 + 10/36 as a fraction

Add 81/42 and 10/36

1^st number: 1 39/42, 2^nd number: 10/36

81/42 + 10/36 is 139/63.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 42 × 6 = 252,
81/42 = 81 × 6/42 × 6 = 486/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
10/36 = 10 × 7/36 × 7 = 70/252
Add the two like fractions:
486/252 + 70/252 = 486 + 70/252 = 556/252
556/252 simplified gives 139/63
So, 81/42 + 10/36 = 139/63
In mixed form: 213/63

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