Add 21/24 and 42/10, Solve 21/24 + 4 2/10 as a fraction

Add 21/24 and 42/10

1^st number: 21/24, 2^nd number: 4 2/10

21/24 + 42/10 is 203/40.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120
Likewise, for the 2nd fraction, since 10 × 12 = 120,
42/10 = 42 × 12/10 × 12 = 504/120
Add the two like fractions:
105/120 + 504/120 = 105 + 504/120 = 609/120
609/120 simplified gives 203/40
So, 21/24 + 42/10 = 203/40
In mixed form: 53/40

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