Add 54/21 and 6/20, Solve 2 12/21 + 6/20 as a fraction

Add 54/21 and 6/20

1^st number: 2 12/21, 2^nd number: 6/20

54/21 + 6/20 is 201/70.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
54/21 = 54 × 20/21 × 20 = 1080/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
6/20 = 6 × 21/20 × 21 = 126/420
Add the two like fractions:
1080/420 + 126/420 = 1080 + 126/420 = 1206/420
1206/420 simplified gives 201/70
So, 54/21 + 6/20 = 201/70
In mixed form: 261/70

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