Add 12/42 and 81/32, Solve 12/42 + 2 17/32 as a fraction

Add 12/42 and 81/32

1^st number: 12/42, 2^nd number: 2 17/32

12/42 + 81/32 is 631/224.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
12/42 = 12 × 16/42 × 16 = 192/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
81/32 = 81 × 21/32 × 21 = 1701/672
Add the two like fractions:
192/672 + 1701/672 = 192 + 1701/672 = 1893/672
1893/672 simplified gives 631/224
So, 12/42 + 81/32 = 631/224
In mixed form: 2183/224

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