Add 49/21 and 36/20, Solve 2 7/21 + 1 16/20 as a fraction

Add 49/21 and 36/20

1^st number: 2 7/21, 2^nd number: 1 16/20

49/21 + 36/20 is 62/15.

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,
49/21 = 49 × 20/21 × 20 = 980/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
36/20 = 36 × 21/20 × 21 = 756/420
Add the two like fractions:
980/420 + 756/420 = 980 + 756/420 = 1736/420
1736/420 simplified gives 62/15
So, 49/21 + 36/20 = 62/15
In mixed form: 42/15

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