Add 4/21 and 45/32, Solve 4/21 + 1 13/32 as a fraction

Add 4/21 and 45/32

1^st number: 4/21, 2^nd number: 1 13/32

4/21 + 45/32 is 1073/672.

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,
4/21 = 4 × 32/21 × 32 = 128/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672
Add the two like fractions:
128/672 + 945/672 = 128 + 945/672 = 1073/672
So, 4/21 + 45/32 = 1073/672
In mixed form: 1401/672

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