Add 45/21 and 45/10, Solve 2 3/21 + 4 5/10 as a fraction

Add 45/21 and 45/10

1^st number: 2 3/21, 2^nd number: 4 5/10

45/21 + 45/10 is 93/14.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
45/21 = 45 × 10/21 × 10 = 450/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
45/10 = 45 × 21/10 × 21 = 945/210
Add the two like fractions:
450/210 + 945/210 = 450 + 945/210 = 1395/210
1395/210 simplified gives 93/14
So, 45/21 + 45/10 = 93/14
In mixed form: 69/14

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