Add 42/50 and 72/42, Solve 42/50 + 1 30/42 as a fraction

Add 42/50 and 72/42

1^st number: 42/50, 2^nd number: 1 30/42

42/50 + 72/42 is 447/175.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
42/50 = 42 × 21/50 × 21 = 882/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
72/42 = 72 × 25/42 × 25 = 1800/1050
Add the two like fractions:
882/1050 + 1800/1050 = 882 + 1800/1050 = 2682/1050
2682/1050 simplified gives 447/175
So, 42/50 + 72/42 = 447/175
In mixed form: 297/175

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