Add 3/5 and 28/42, Solve 3/5 + 28/42 as a fraction

Add 3/5 and 28/42

3/5 + 28/42 is 19/15.

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,
3/5 = 3 × 42/5 × 42 = 126/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210
Add the two like fractions:
126/210 + 140/210 = 126 + 140/210 = 266/210
266/210 simplified gives 19/15
So, 3/5 + 28/42 = 19/15
In mixed form: 14/15

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