Add 12/10 and 72/42, Solve 1 2/10 + 1 30/42 as a fraction

Add 12/10 and 72/42

1^st number: 1 2/10, 2^nd number: 1 30/42

12/10 + 72/42 is 102/35.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210
Add the two like fractions:
252/210 + 360/210 = 252 + 360/210 = 612/210
612/210 simplified gives 102/35
So, 12/10 + 72/42 = 102/35
In mixed form: 232/35

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