Add 84/72 and 50/42, Solve 1 12/72 + 1 8/42 as a fraction

Add 84/72 and 50/42

1^st number: 1 12/72, 2^nd number: 1 8/42

84/72 + 50/42 is 33/14.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504
Likewise, for the 2nd fraction, since 42 × 12 = 504,
50/42 = 50 × 12/42 × 12 = 600/504
Add the two like fractions:
588/504 + 600/504 = 588 + 600/504 = 1188/504
1188/504 simplified gives 33/14
So, 84/72 + 50/42 = 33/14
In mixed form: 25/14

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