Add 21/50 and 60/42, Solve 21/50 + 1 18/42 as a fraction

Add 21/50 and 60/42

1^st number: 21/50, 2^nd number: 1 18/42

21/50 + 60/42 is 647/350.

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,
21/50 = 21 × 21/50 × 21 = 441/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
60/42 = 60 × 25/42 × 25 = 1500/1050
Add the two like fractions:
441/1050 + 1500/1050 = 441 + 1500/1050 = 1941/1050
1941/1050 simplified gives 647/350
So, 21/50 + 60/42 = 647/350
In mixed form: 1297/350

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