Add 2/21 and 32/20, Solve 2/21 + 1 12/20 as a fraction

Add 2/21 and 32/20

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

2/21 + 32/20 is 178/105.

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,
2/21 = 2 × 20/21 × 20 = 40/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
32/20 = 32 × 21/20 × 21 = 672/420
Add the two like fractions:
40/420 + 672/420 = 40 + 672/420 = 712/420
712/420 simplified gives 178/105
So, 2/21 + 32/20 = 178/105
In mixed form: 173/105

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