Add 81/21 and 10/32, Solve 3 18/21 + 10/32 as a fraction

Add 81/21 and 10/32

1^st number: 3 18/21, 2^nd number: 10/32

81/21 + 10/32 is 467/112.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
81/21 = 81 × 32/21 × 32 = 2592/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
10/32 = 10 × 21/32 × 21 = 210/672
Add the two like fractions:
2592/672 + 210/672 = 2592 + 210/672 = 2802/672
2802/672 simplified gives 467/112
So, 81/21 + 10/32 = 467/112
In mixed form: 419/112

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