Add 75/5 and 12/42, Solve 15 0/5 + 12/42 as a fraction

Add 75/5 and 12/42

1^st number: 15 0/5, 2^nd number: 12/42

75/5 + 12/42 is 107/7.

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,
75/5 = 75 × 42/5 × 42 = 3150/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210
Add the two like fractions:
3150/210 + 60/210 = 3150 + 60/210 = 3210/210
3210/210 simplified gives 107/7
So, 75/5 + 12/42 = 107/7
In mixed form: 152/7

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