Add 42/50 and 40/21, Solve 42/50 + 1 19/21 as a fraction

Add 42/50 and 40/21

1^st number: 42/50, 2^nd number: 1 19/21

42/50 + 40/21 is 1441/525.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 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 21 × 50 = 1050,
40/21 = 40 × 50/21 × 50 = 2000/1050
Add the two like fractions:
882/1050 + 2000/1050 = 882 + 2000/1050 = 2882/1050
2882/1050 simplified gives 1441/525
So, 42/50 + 40/21 = 1441/525
In mixed form: 2391/525

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