Add 4/10 and 42/3, Solve 4/10 + 14 0/3 as a fraction

Add 4/10 and 42/3

1^st number: 4/10, 2^nd number: 14 0/3

4/10 + 42/3 is 72/5.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 10 × 3 = 30,
4/10 = 4 × 3/10 × 3 = 12/30
Likewise, for the 2nd fraction, since 3 × 10 = 30,
42/3 = 42 × 10/3 × 10 = 420/30
Add the two like fractions:
12/30 + 420/30 = 12 + 420/30 = 432/30
432/30 simplified gives 72/5
So, 4/10 + 42/3 = 72/5
In mixed form: 142/5

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