Add 21/9 and 4/10, Solve 2 3/9 + 4/10 as a fraction

Add 21/9 and 4/10

1^st number: 2 3/9, 2^nd number: 4/10

21/9 + 4/10 is 41/15.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 9 × 10 = 90,
21/9 = 21 × 10/9 × 10 = 210/90
Likewise, for the 2nd fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90
Add the two like fractions:
210/90 + 36/90 = 210 + 36/90 = 246/90
246/90 simplified gives 41/15
So, 21/9 + 4/10 = 41/15
In mixed form: 211/15

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