Add 42/2 and 3/72, Solve 21 0/2 + 3/72 as a fraction

Add 42/2 and 3/72

1^st number: 21 0/2, 2^nd number: 3/72

42/2 + 3/72 is 505/24.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 2 × 36 = 72,
42/2 = 42 × 36/2 × 36 = 1512/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72
Add the two like fractions:
1512/72 + 3/72 = 1512 + 3/72 = 1515/72
1515/72 simplified gives 505/24
So, 42/2 + 3/72 = 505/24
In mixed form: 211/24

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