Add 21/5 and 14/42, Solve 4 1/5 + 14/42 as a fraction

Add 21/5 and 14/42

1^st number: 4 1/5, 2^nd number: 14/42

21/5 + 14/42 is 68/15.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
21/5 = 21 × 42/5 × 42 = 882/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210
Add the two like fractions:
882/210 + 70/210 = 882 + 70/210 = 952/210
952/210 simplified gives 68/15
So, 21/5 + 14/42 = 68/15
In mixed form: 48/15

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