Add 80/42 and 36/72, Solve 1 38/42 + 36/72 as a fraction

Add 80/42 and 36/72

1^st number: 1 38/42, 2^nd number: 36/72

80/42 + 36/72 is 101/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 42 × 12 = 504,
80/42 = 80 × 12/42 × 12 = 960/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
36/72 = 36 × 7/72 × 7 = 252/504
Add the two like fractions:
960/504 + 252/504 = 960 + 252/504 = 1212/504
1212/504 simplified gives 101/42
So, 80/42 + 36/72 = 101/42
In mixed form: 217/42

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