Add 24/50 and 72/21, Solve 24/50 + 3 9/21 as a fraction

Add 24/50 and 72/21

1^st number: 24/50, 2^nd number: 3 9/21

24/50 + 72/21 is 684/175.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
24/50 = 24 × 21/50 × 21 = 504/1050
Likewise, for the 2nd fraction, since 21 × 50 = 1050,
72/21 = 72 × 50/21 × 50 = 3600/1050
Add the two like fractions:
504/1050 + 3600/1050 = 504 + 3600/1050 = 4104/1050
4104/1050 simplified gives 684/175
So, 24/50 + 72/21 = 684/175
In mixed form: 3159/175

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