Add 10/42 and 7/5, Solve 10/42 + 1 2/5 as a fraction

Add 10/42 and 7/5

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

10/42 + 7/5 is 172/105.

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,
10/42 = 10 × 5/42 × 5 = 50/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210
Add the two like fractions:
50/210 + 294/210 = 50 + 294/210 = 344/210
344/210 simplified gives 172/105
So, 10/42 + 7/5 = 172/105
In mixed form: 167/105

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