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

Add 14/42 and 21/5

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

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

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

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

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