Add 14/42 and 54/10, Solve 14/42 + 5 4/10 as a fraction

Add 14/42 and 54/10

1^st number: 14/42, 2^nd number: 5 4/10

14/42 + 54/10 is 86/15.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 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 10 × 21 = 210,
54/10 = 54 × 21/10 × 21 = 1134/210
Add the two like fractions:
70/210 + 1134/210 = 70 + 1134/210 = 1204/210
1204/210 simplified gives 86/15
So, 14/42 + 54/10 = 86/15
In mixed form: 511/15

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