Add 50/20 and 1/21, Solve 2 10/20 + 1/21 as a fraction

Add 50/20 and 1/21

1^st number: 2 10/20, 2^nd number: 1/21

50/20 + 1/21 is 107/42.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
50/20 = 50 × 21/20 × 21 = 1050/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
1/21 = 1 × 20/21 × 20 = 20/420
Add the two like fractions:
1050/420 + 20/420 = 1050 + 20/420 = 1070/420
1070/420 simplified gives 107/42
So, 50/20 + 1/21 = 107/42
In mixed form: 223/42

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