Add 21/5 and 3/24, Solve 4 1/5 + 3/24 as a fraction

Add 21/5 and 3/24

1^st number: 4 1/5, 2^nd number: 3/24

21/5 + 3/24 is 173/40.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 5 × 24 = 120,
21/5 = 21 × 24/5 × 24 = 504/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120
Add the two like fractions:
504/120 + 15/120 = 504 + 15/120 = 519/120
519/120 simplified gives 173/40
So, 21/5 + 3/24 = 173/40
In mixed form: 413/40

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