Add 36/60 and 81/42, Solve 36/60 + 1 39/42 as a fraction

Add 36/60 and 81/42

1^st number: 36/60, 2^nd number: 1 39/42

36/60 + 81/42 is 177/70.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
36/60 = 36 × 7/60 × 7 = 252/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
81/42 = 81 × 10/42 × 10 = 810/420
Add the two like fractions:
252/420 + 810/420 = 252 + 810/420 = 1062/420
1062/420 simplified gives 177/70
So, 36/60 + 81/42 = 177/70
In mixed form: 237/70

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