Add 12/10 and 42/35, Solve 1 2/10 + 1 7/35 as a fraction

Add 12/10 and 42/35

1^st number: 1 2/10, 2^nd number: 1 7/35

12/10 + 42/35 is 12/5.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 10 × 7 = 70,
12/10 = 12 × 7/10 × 7 = 84/70
Likewise, for the 2nd fraction, since 35 × 2 = 70,
42/35 = 42 × 2/35 × 2 = 84/70
Add the two like fractions:
84/70 + 84/70 = 84 + 84/70 = 168/70
168/70 simplified gives 12/5
So, 12/10 + 42/35 = 12/5
In mixed form: 22/5

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