Add 81/42 and 15/50, Solve 1 39/42 + 15/50 as a fraction

Add 81/42 and 15/50

1^st number: 1 39/42, 2^nd number: 15/50

81/42 + 15/50 is 78/35.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 42 × 25 = 1050,
81/42 = 81 × 25/42 × 25 = 2025/1050
Likewise, for the 2nd fraction, since 50 × 21 = 1050,
15/50 = 15 × 21/50 × 21 = 315/1050
Add the two like fractions:
2025/1050 + 315/1050 = 2025 + 315/1050 = 2340/1050
2340/1050 simplified gives 78/35
So, 81/42 + 15/50 = 78/35
In mixed form: 28/35

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